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The Weed Grading System Canada The weed grading system in Canada is subjective depending on where you buy your weed. Traditionally, the old school brick & mortar dispensaries and online dispensaries in Canada use the AA to AAAA weed grading system, while some use the Low Grade, Mid Grade and High Grade (Top Shelf) cannabis grading system.

Alternatively, our new legalized cannabis stores don’t use these systems at all. They are supplied by Canada’s licensed growers who grade their weed by its THC and CBD potency based on official lab tests. Aa aaa aaaa grading system results in higher prices for flower depending on its THC and/or CBD content.

This isn’t a good system in my book coming from a consumer’s perspective. What about bud structure? What about that dank aroma?

What about bag appeal? What about the quality of the trim? I can go on about the quality of weed coming out of Canada’s licensed growers/producers, but that’s a topic for another day.

One thing remains a constant.

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Whether you’re a seasoned recreational weed smoker, a chronic stoner, a medical marijuana user, or if you’re new to the wonderful world of cannabis, one thing remains a constant – we all learn to judge the quality of our weed and in many cases make up our own weed terminology.

This article will breakdown much of the common weed terminology such as: What are singles A weed? What are Dubs? What are Trips? What are Quads? What are True Quads? What is Schwag or Dirt Weed? What are AA grade strains? What are weed grades AAA, mid grade weed, AAAA weed Canada, 5A weed, aa aaa aaaa weed, and more. I will also define the most commonly used AA to AAAA weed grading system in Canada in detail with a weed grade chart for quick reference.

Plus, I reached out to Nature’s Fire who, in my opinion, have some of the best True Quads online. I asked them to define what a true AAAA Quad looks like and how they review weed. Weed Grading History in Canada The 80s In the 1980s the A-AAA weed grading system started to take shape in Canada to profile and describe cannabis flowers.

The terms “Singles” (A), “Dubs” (AA), and “Trips” (AAA) became common, with Singles being poor low quality weed, while the Trips rating represented the best quality weed available at the time. The 90s In the 1990s, all sorts of new strains with exciting variations and hybrids started to emerge and the weed grading system evolved to suit.

With so many new strains on the market variations were added to the existing rating system to help better describe the next generation of weed on the market. New ratings were starting to be used such as Low Dub (-AA), a lower range flower on the AA grade scale, and High Trips (AAA+), the highest rating used for unforgettable triple AAA cannabis.

All of a sudden people starting caring less about how stoned they got and the overall experience became more important, aa aaa aaaa appearance (general aesthetics), aroma, and how the flower smoked. The 2000s and beyond The new millennium put forth the term “Quads” or AAAA grade cannabis. There were simply just too many strains available with an underrated Trips (AAA) grade rating.

A new cannabis grade was needed to help identify this premium weed, and “Quads” or AAAA weed Canada was born. Today in Canada the A to AAAA+ weed grading system is most commonly used with the general public and medical marijuana dispensaries. Although there is no standard marijuana rating system in Canada, I strongly feel that the A-AAAA+ system should made official.

After all, everyone is used to it and it makes the most sense. I think if aa aaa aaaa had a set of official guidelines published by the Canadian government, then when you visit one of our new retail cannabis stores on the hunt for killer AAAA bud, all you’ll have to do is ask for “Quads” or AAAA quality, and that’s what you would get with no surprises. Who has been let down or surprised by the weed quality coming out of the our new cannabis retail stores?

If you ask me, it’s embarrassing, Canada has a reputation to live up to. A Grade Weed @greenrushdaily It’s aa aaa aaaa to find A grade cannabis in Canada from dispensaries and cannabis stores, but I thought I would talk about it anyways for comparison purposes. A grade cannabis, or “singles” as it’s sometimes referred to, is low quality weed that still has some bud structure to it, with unwanted stems present and loose discolored buds. It’s not shake or trim, but some dispensaries may classify shake or trim as A grade weed.

A grade weed quality is bottom of the barrel when it comes to weed in Canada. It’s also called dirt weed, ditch weed, or schwag depending on where you live. A grade cannabis does have some uses though. For one thing, it’s much much cheaper to buy, while being somewhat effective when smoked or vaped in higher quantities but watch out for headaches and dizziness.

It can also be used for making concentrates and edibles, so A grade weed provides value if that is your intention for it. AA Grade Cannabis (Dubs) AA Cannabis @ Haute Health AA grade strains or “dubs”, or budget buds is more or less the lowest grade and rating of cannabis you will find from dispensaries in Canada.

These buds obviously can’t be compared to AAA or AAAA buds when it comes to appearance and effectiveness (THC level), but they still have their place and will get you stoned. AA grade strains or buds generally have some brown or other off-color appearances. Also, as a general rule of thumb, the lower the grade quality, the darker the ash you will get when smoked.

AA grade cannabis appeals to the budget minded crowd and to those looking to make their own edibles and concentrates. With AA cannabis you generally get what you pay for, but sometimes you will find a diamond in the rough and get your hands on some decent AA flower.

Haute Health online dispensary is a good example of this and have some good quality AA grade cannabis. AAA Grade Cannabis (Trips) AAA Cannabis “Trips” Back in the day, weed grades AAA was the best and the highest you can go. This mid grade weed level AAA Cannabis or “Trips” is still high quality potent weed with respectable THC levels. But, nowadays growing techniques and cultivators have improved on everything and bumped up weed into a higher class and rating, entering into the premium weed class, or AAAA grade cannabis.

Trips quality weed has many of the same qualities as Quads; there is some room for less bud density, a little more discoloration can sometimes be expected, and the trim might not be as high-end as Quads.

AAA grade cannabis is common and easy to find in Canada, plus it’s friendlier on the pocket book. The Canna Society online dispensary has lots of good examples of AAA grade cannabis with fantastic prices. AAAA Grade Cannabis (Quads) & Beyond AAAA Grade Cannabis – Death Bubba Strain from Speed Greens AAAA Weed Canada or “Quads” is premium weed, or top-shelf weed, that is more or less considered to be the best.

AAAA grade cannabis will rank high in all criteria including THC/CBD content, aesthetics, bud size, trichome, and terpenoid content. AAAA Grade weed is also highly pungent and dank; you’ll get a strong aroma and taste from this kind of cannabis with a nice smooth clean burning smoke. This AAAA premium weed costs more than AAA weed because of its better aesthetics and higher potency due to the increased levels of THC and or CBD and higher terpenoid content.

You can find some fantastic AAAA weed in Canada online at Speed Greens, Green Society, and at The Grow House. What is AAAA+ Grade Cannabis? Also known as 5A weed, or AAAAA weed. This quality of cannabis is loosely defined and it can have several names: AAAA+, AAAA++, high quads, or true quads. These terms are mostly used by brick & mortar and online dispensaries in Canada, and are considered to be the most potent and highest quality strains available in the market.

In my experience, AAAA+ or 5A grade cannabis simply means that the flower is AAAA quality but with spectacular attributes that can’t be ignored or overlooked. What are True Quads? As mentioned earlier, I reached out to the owner of Nature’s Fire about how they review their weed and how they classify True Quads.

Here is their description: True Quads – When looking for True Quads cannabis, one of the first things we look for here at Nature’s Fire is a proper cure. Curing is essential to creating an optimal experience for the user. Without a proper cure, Terps will not be presented as they should be to the palate, and often times less than desirable contaminants can be left behind.

The second thing is the bud structure and trich coverage. We like to closely inspect with a aa aaa aaaa jewellers loupe to ensure that the trichs have proper heads, and are aa aaa aaaa any more than 25% amber throughout the sample. Using the jewellers loupe also allows us to inspect for any mildew or other contaminants that may be present.

Lastly, we look at the trim job. No one likes a hairy lady, and we’re no exception here at DHO. We like to see a few sugar leaves leftover, but there shouldn’t be any burnt or excess leaves on a True Quad sample.

All in all, we look for a well cured, tasty and potent smoke. When the aa aaa aaaa is white, all is right! Conclusion Now that you have a better idea of what the weed grading system is that’s mainly used in Canada, you will be able to make better-informed decisions when you get your next stash. Who knows, you may just save some money as well and not pay for AAAA quality when you’re being sold AAA quality cannabis.

If you have any questions please leave them in the comments section below and I will do my best to help. Cheers, The Chronic Beaver Related Articles • Weed Measurements Guide and get a handle on all the slang. • AAAA Weed Online Canada Hello, nice to meet you!

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I’m The Chronic Beaver. I’m passionate about everything cannabis and have been so since 1985. I am an old school BC stoner who helped popularize the world famous reputation of BC bud and was advocating the legal use of medical marijuana back when our first BC online dispensaries were born.

Learn more 3LR12 (4.5- volt), D, C, AA, AAA, AAAA, A23 (12-volt), PP3 (9-volt), CR2032 (3-volt), and LR44 (1.5-volt) batteries This article lists the sizes, shapes, and general characteristics of some common primary and secondary battery types in household, automotive and light industrial use.

Historically the term "battery" referred to a collection of electrochemical cells connected in series; [1] however, in modern times the term has come to refer to any collection of cells (or single cell) packaged in a container with external connections provided to power electrical devices, [2] leading to the variety of standardized form factors available today.

The long history of disposable dry cells means that many different manufacturer-specific and national standards were used to designate sizes, long before international standards were agreed upon. Technical standards for battery sizes and types are aa aaa aaaa by standards organizations such as the International Electrotechnical Commission (IEC) and American National Standards Institute (ANSI).

Many popular sizes are still referred to by old standard or manufacturer designations, and some non-systematic designations have been included in current international standards due to wide use. The complete nomenclature for a battery specifies size, chemistry, terminal aa aaa aaaa, and special characteristics.

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The same physically interchangeable cell size or battery size may have widely different characteristics; physical interchangeability is not the sole factor in substituting a battery. [3] Contents • 1 Standardization • 2 Non-standard brand-specific names • 3 Battery chemistry and voltage • 4 Physical interchangeability • 5 Cylindrical batteries • 6 Rectangular batteries • 7 Camera batteries • 8 Button cells – coin, watch • 8.1 Lithium cells • 8.2 Silver oxide and alkaline cells • 8.3 Zinc air cells (hearing aid) • 9 Lithium-ion batteries (rechargeable) • 9.1 Cylindrical lithium-ion rechargeable battery • 10 Obsolete batteries • 10.1 PP series • 11 See also • 12 References • 13 Further reading • 14 External links Standardization [ edit ] Main article: Battery nomenclature The current IEC standards for portable primary (non-rechargeable) batteries bear the 60086 number.

The relevant US standards are the ANSI C18 series, which are developed by a committee of the US National Electrical Manufacturers Association (NEMA). Both standards have several parts that cover general principles, physical specifications, and safety.

Designations by IEC and ANSI standards do not entirely agree, though harmonization is in progress. Also, manufacturers have their systems for identifying cell types, so cross-reference tables are useful to identify equivalent types from different manufacturers. [4] Lead-acid automotive starting, lighting and ignition batteries have been standardized according to IEC standard 60095 aa aaa aaaa in North America by standards published by BCI.

Group 25 batteries for automotive applications have a compact design, and normally these batteries have a dimension of around 9.1 inches (L) x 6.9 inches (W) x 8.9 inches (H) — as declared by the Battery Council International (BCI). [5] Non-standard brand-specific names [ edit ] Manufacturers may assign proprietary names and numbers to their batteries, disregarding common, colloquial, IEC, and ANSI naming conventions (see LR44 battery as an example).

Often this is done to steer customers towards a specific brand, and away from competing or generic brands, by obfuscating the common name. For example, if a remote control needs a new battery and the battery compartment has the label, "Replace with CX472 type battery," many customers will buy that specific brand, not realizing that this is simply a brand name for a common type of battery.

For example, British standard "U" series batteries were often sold under manufacturer prefixes such as "C", "SP", "HP", etc.; Ever Ready sold "U2" (D) batteries as "SP2" ( standard-duty zinc carbon) and "HP2" (heavy duty zinc chloride).

On the other hand, with obscure battery types, the designation assigned by a specific brand will sometimes become the most common name for that battery type, as other manufacturers copy or modify the name so that customers recognize it.

Battery chemistry and voltage [ edit ] The terminal voltage of a battery cell depends on the chemicals and materials used in its construction, and not on its physical size. For example, primary (non-rechargeable) alkaline batteries have a nominal voltage of 1.5 volts. Rechargeable NiCd (nickel cadmium) and NiMH (nickel metal hydride) typically output 1.25 volts per cell. Devices intended for use with primary batteries may not operate properly with these cells, given the reduction in voltage.

Dry Leclanché ( carbon-zinc), alkaline and Lithium batteries are the most common modern types. Mercury batteries had stable cell terminal voltages around 1.35 volts. From the late 1940s until the mid-1990s, mercury batteries were made in many consumer and industrial sizes. They are no longer available since careless disposal can release toxic mercury into the environment. They have been replaced in some applications by zinc-air batteries, which also produce 1.35 volts. The full battery designation identifies not only the size, shape and terminal layout of the battery but also the chemistry (and therefore the voltage per cell) and the number of cells in the battery.

For example, a CR123 battery is always LiMnO 2 ('Lithium') chemistry, in addition to its unique size. The following tables give the common battery chemistry types for the current common sizes of batteries.

See Battery chemistry for a list of other electrochemical systems. Physical interchangeability [ edit ] Cylindrical cells typically have a positive terminal nub at one end, and a flat negative terminal at the other.

A cell with a nub on the positive terminal is called a button-top, and a cell without a positive nub is called a flat-top. Two different cells of the same nominal size, e.g. two 18650 cells, may aa aaa aaaa different diameter buttons if made by different manufacturers, and this can lead to incompatibility with devices. Flat-top cells cannot be used in series without modification or soldering into position, because the flat positive terminal of one cell cannot contact with the next cell's negative terminal.

Rarely, however, a manufacturer may include tiny bumps on the negative terminal, so flat-tops can be used in series. Cylindrical batteries [ edit ] This section needs additional citations for verification.

Please help aa aaa aaaa this article by adding citations to reliable sources. Unsourced material may be challenged and removed. ( July 2011) ( Learn how and when to remove this template message) These are round batteries with height longer than their diameter.

In zinc-carbon or alkaline types they produce around 1.5 V per cell when fresh. Other types [6] produce other voltages per package, as low as 1.2 V for rechargeable nickel-cadmium, up to 12 V for the A23 alkaline battery, a stack of 8 cells in the same overall format.

Typical cylindrical cells have a positive nub terminal at the cap of the cell, and the negative terminal at the bottom of the can; the side of the can is not used as a terminal. The polarity of the can side may even change, according to their chemistry and whether the can is sealed from the positive or negative end.

The internal cell construction may differ, common types are named bobbin, spiral and coiled. [7] Their naming originates mainly from aa aaa aaaa Battery nomenclature § ANSI battery nomenclature. Image (AA size for scale) Names Typical capacity ( mAh) Nominal voltage ( V) Size, dia. × h. (mm) Comments Most common Other common IEC ANSI 4⁄ 5AA FLYCO Ni-Cd, Ni-Mh 600–1500 1.2 14.0 × 40.0 Same diameter as AA battery, used in small electronics, including electric shaver.

1⁄ 2AA SAFT LS14250 Tadiran TL5101 UL142502P CR14250 (LiMnO 2) ER14250 (LiSOCl 2) 850–1200 3 (LiMnO 2) 3.6 (LiSOCl 2) 14.0 × 25.0 (nom.) 14.5 × 25.0 (max.) Same diameter as AA battery, used in small electronics, including pulse oximeters, as well as use in some computer models (such as most pre-Intel Macintosh models and some older IBM PC compatibles) as the CMOS battery.

Also used in US military MILES gear aa aaa aaaa DAGR. AAAA MX2500 Mini UM 6 (JIS) 単6 #9 ( China) LR8D425 (alkaline) 25A (alkaline) 625 (alkaline) 1.5 8.3 × 42.5 Sometimes used in pen flashlights, laser pointers, powered styluses, calculators, fishing lures. AAA U16 or HP16 (In the UK) Micro Microlight MN2400 MX2400 MV2400 Type 286 ( Soviet Union/ Russia) UM 4 ( JIS)(carbon-zinc) [8] 単4 AM-4 (JIS)(alkaline) #7 (China) 6135-99-117-3143 (NSN) LR03 (alkaline) R03 (carbon–zinc) FR03 (LiFeS 2) HR03 (NiMH) KR03 (NiCd) ZR03 (NiOOH) 24A (alkaline) 24D (carbon–zinc) 24LF (LiFeS aa aaa aaaa 1200 (alkaline) 540 (carbon–zinc) 800–1200 (NiMH) 500 (NiZn) 1.5 1.2 (NiMH, NiCd) 10.5 × 44.5 (0.41 × 1.75) Introduced 1911, but added to ANSI standard in 1959 Used in many household electronic devices AA U12 or HP7 (In the UK) Pencil-sized Penlight Mignon MN1500 MX1500 MV1500 Type 316 (Soviet Union/Russia) UM 3 単3 (JIS)(carbon-zinc) AM-3 (JIS)(alkaline) #5 (China) 6135-99-052-0009 (NSN)(carbon-zinc) 6135-99-195-6708 (NSN)(alkaline) LR6 (alkaline) R6 (carbon–zinc) FR6 (LiFeS 2) HR6 (NiMH) KR6 (NiCd) ZR6 (NiOOH) 15A (alkaline) 15D (carbon–zinc) 15LF (LiFeS 2) 1.2H2 (NiMH) 1.2K2 (NiCd) 2700 (alkaline) 1100 (carbon–zinc) 3000 (LiFeS 2) 1700–2800 (NiMH) 600–1000 (NiCd) 1500 (NiZn) 1.5 1.2 (NiMH, NiCd) 14.5 × 50.5 (0.57 × 1.99) Introduced 1907, but added to ANSI standard sizes in 1947.

Used in many household electronic devices Note: 14500 lithium batteries are not AA as they are 3.7 V; though 1.5 V AA compatibles (achieved with an internal voltage regulator [specifically a buck converter]) have been available since 2014 as were originally developed and released by Chinese company Kentli.

[9] A R23 (carbon‑zinc) LR23 (alkaline) 1.5 17 × 50 More common as a NiCd or NiMH cell size than a primary size, popular in older laptop batteries and hobby battery packs. Various fractional sizes are also available; e.g., 2⁄ 3 A and 4⁄ 5 A. B U10 ( UK) 336 ( Russian Federation) R12 (carbon‑zinc) LR12 (alkaline) 8350 (alkaline) 1.5 21.5 × 60 Most commonly found within a European 4.5 volt lantern battery.

Not to be confused with the vacuum tube B battery. C U11 or HP11 (In the UK) MN1400 MX1400 Baby Type 343 (Soviet Union/Russia) BA-42 (US Military Spec WWII–1980s) [ citation needed] UM 2 (JIS) 単2 #2 (China) 6135-99-199-4779 (NSN)(carbon-zinc) 6135-99-117-3212 (NSN)(alkaline) LR14 (alkaline) R14 (carbon–zinc) HR14 (NiMH) KR14 (NiCd) ZR14 (NiOOH) 14A (alkaline) 14D (carbon–zinc) 8000 (alkaline) 3800 (carbon–zinc) 4500–6000 (NiMH) 1.5 1.2 (NiMH, NiCd) 26.2 × 50 (1.03 × 1.97) Can be replaced with an AA cell using a plastic sabot (size adaptor), with proportional loss of capacity.

Sub-C SC Type 332 (Soviet Union/ Russian Federation) KR22C429 (NiCd) HR22C429 (NiMH) 1200–2400 (NiCd) 1800–5000 (NiMH) 1.2 22.2 × 42.9 (0.87 × 1.69) A common size for cordless tool battery packs. This size is also used in radio-controlled scale vehicle battery packs and some Soviet multimeters. 1⁄ 2- 4⁄ 5- and 5⁄ 4-sub-C sizes (differing in length) are also available. Soviet 332 type can be replaced with R10 (#4, 927, BF, U8) or 1.5 V elements from 3 V 2xLR10 packs.

[10] [11] D U2 or HP2 (UK) Flashlight battery MN1300 MX1300 Mono Goliath Type 373 (Soviet Union/Russia) BA-30 (US Military Spec WWII–1980s) UM 1 (JIS) 単1 #1 (China) 6135-99-464-1938 (NSN)(carbon-zinc) 6135-99-109-9428 (NSN)(alkaline) LR20 (alkaline) R20 (carbon–zinc) HR20 (NiMH) KR20 (Ni-Cd) ZR20 (NiOOH) 13A (alkaline) 13D (carbon–zinc) 12000 (alkaline) 8000 (carbon–zinc) 2200–11000 (NiMH) 2000–5500 (NiCd) 1.5 34.2 × 61.5 (1.35 × 2.42) Introduced 1898 as the first flashlight battery.

Can be replaced with an AA cell or a C cell using a plastic sabot (size adaptor), with proportional loss of capacity. F R25 (carbon‑zinc) LR25 (alkaline) 60 10500 (carbon‑zinc) 26000 (alkaline) 1.5 33 × 91 Four F cells are often found within 6 volt rectangular lantern batteries. N Lady MN9100 UM 5 (JIS) 単5 E90 6135-99-661-4958 (NSN) LR1 (alkaline) R1 (carbon‑zinc) HR1 (NiMH) KR1 (NiCd) 910A (alkaline) 910D (carbon‑zinc) 800–1000 (alkaline) 400 (carbon‑zinc) 350–500 (NiMH) 1.5 12 × 30.2 Rechargeable nickel–cadmium and nickel–metal hydride are far less common than other rechargeable sizes.

[12] Mercury batteries of the same dimensions are no longer manufactured. A11 A11 11A E11A MN11 L1016 4LR23 V11GA LR1016 4LR932 (alkaline) 1811A (alkaline) 55 (alkaline) 06 10.3 × 16.0 Usually contains a stack of four LR932 button cells shrink wrapped together. A23 144 23A 23AE 3LR50 8F10R 8LR23 8LR932 A23S CA20 EL12 E23A GP12A GP23 GP23A K23A L1028 LR23A LRV08 MN21 MN23 MS21 P23GA RVO8 VR22 V23GA [13] 8LR932 (alkaline) 1811A (alkaline) 55 (alkaline) 012 10.3 × 28.5 Used in small RF devices such as key fob-style garage door openers, wireless doorbells, and keyless entry systems where only infrequent pulse current is used.

Usually contains a stack of eight LR932 button cells shrink wrapped together. A27 GP27A MN27 L828 27A V27A A27BP G27A 8LR732 (alkaline) 22 (alkaline) 012 8.0 × 28.2 Used in small RF devices such as car alarm remote controls.

Can also be found in some cigarette lighters. May be made of eight LR632 cells. BA5800 BA5800/U (LiSOCl 2) BA5800A/U (LiSO 2) 7500 (LiSO 2) LiSO 2: 05.3 35.5 × 128.5 Has both terminals at the same end and is roughly the size of two stacked D cells.

Used in military hand-held devices such as the PLGR. Duplex Ever Ready No. 8 2R10 03 21.8 × 74.6 Internally contains two 1.5 V cells hence the nickname 'Duplex'.

In Switzerland as of 2008 [update], 2R10 batteries accounted for 0.003% of primary battery sales. [14] 4SR44 PX28A A544 K28A V34PX 28L 4LR44 (alkaline) 110–150 (alkaline) 170–200 (silver‑oxide) 06.2 (alkaline) 06.5 (silver‑oxide) 13 × 25.2 Used in film cameras, medical instruments, dog training devices.

Often simply a stack of four SR44 (LR44) button cells shrink wrapped together. Rectangular batteries [ edit ] Image (AA size for scale) Names Typical capacity (mAh) Nominal voltage (V) Terminal layout Dimensions (mm) Comments Most common Other common IEC ANSI 4.5-volt 1289 (in the UK) Pocketable battery 4.5 V MN1203 Type 3336 (Soviet Union/Russia) 3LR12 (alkaline) 3R12 (carbon‑zinc) 3LR12 (alkaline) 3R12 (carbon‑zinc) 6100 (alkaline) 1200 (carbon‑zinc) Alkaline carbon‑zinc (3 cells): 4.5 Two 6–7 mm wide metal strips +: shorter strip −: longer strip H: 67 L: 62 W: 22 This battery, introduced aa aaa aaaa 1901, was very common in continental Europe until the 1970s.

It usually contains three B cells in series. In Aa aaa aaaa as of 2008 [update], 4.5-volt batteries account for only 1% of primary battery sales. [15] PP3, 9-volt, or E [16] Radio battery Smoke alarm battery Square battery Transistor battery 006P MN1604 Type Krona (Soviet Union/Russia) 6LR61 aa aaa aaaa 6LP3146 (alkaline) [17] 6F22 (carbon‑zinc) 6KR61 (NiCd) aa aaa aaaa (NiMH) 1604A (alkaline) 1604D (carbon‑zinc) 1604LC (lithium) 7.2H5 (NiMH) 11604 (NiCd) 1604M (mercury, obsolete) [18] 565 (alkaline) 400 (carbon‑zinc) 1,200 (lithium) 175–300 (NiMH) 120 (NiCd) 500 (lithium polymer rechargeable) 580 (mercury, obsolete) Alkaline carbon‑zinc (6 cells): 9 Lithium (3 cells): 9 NiMH / NiCd (6, 7 or 8 cells): 7.2, 8.4 or 9.6 [19] Both on same end +: male clasp −: female clasp H: 48.5 L: 26.5 W: 17.5 Added to ANSI standard in 1959.

Often contains six LR61 cells, which are similar to AAAA cells. 6-volt Lantern (Spring) Lantern 6 V Spring top MN908 996 or PJ996 Energizer 529 4LR25Y (alkaline) 4R25 (carbon‑zinc) 908A (alkaline) 908D (carbon‑zinc) 26,000 (alkaline) 10,500 (carbon‑zinc) Alkaline carbon‑zinc (4 cells): 6 Springs, top +: corner spring −: center spring H: 115 L: 68.2 W: 68.2 Spring terminals. Usually contains four F cells. Lantern (Screw) Lantern 6 V Screw Top 6135-99-645-6443 (NSN) 4R25X (carbon‑zinc) 4LR25X (alkaline) 915 (carbon‑zinc) 915A (alkaline) 10,500 (carbon‑zinc) 26,000 (alkaline) 6 Screw posts on top of battery.

+: corner, −: center. Maximum diameter of the posts is 3.5 mm. H: 109.5 L: 66.7 W: 66.7 Used in locations susceptible to high vibration/shock where connectors may be knocked off the terminals. Lantern (Big) 918 R25-2 Big Lantern Double Lantern MN918 Energizer 521 4R25-2 (carbon‑zinc) 4LR25-2 (alkaline) 918A 22,000 (carbon‑zinc) 52,000 (alkaline) 6 Screw posts on top of battery.

Labelled only, no physical keying for polarity. Maximum diameter of the posts is 4.2 mm spaced 75 mm apart. H: 125.4 L: 132.5 W: 73 Used in locations susceptible to high vibration/shock where connectors may be knocked off the terminals.

J 7K67 4LR61 (alkaline) 1412A (alkaline) 625 (alkaline) 6 6.5 mm² flat contacts, +: chamfered corner, −: top side H: 48.5 L: 35.6 W: 9.18 Typically used in applications where the device in question must be flat, or where one should not be able to insert the battery in reverse polarity.

Often contains four LR61 cells, which are similar AAAA cells. Camera batteries [ edit ] As well as other types, digital and film cameras often use specialized primary batteries to produce a compact product. Flashlights and portable electronic devices may also use these types. Image (AA size for scale) Names Typical capacity (mAh) Nominal voltage (V) Shape Terminal layout Dimensions Comments Most common Other common IEC ANSI CR123A Camera battery 2⁄ 3A 123 CR123 17345 16340 CR-123A 6135-99-851-1379 (NSN) CR17345 (lithium) 5018LC (lithium) 1500 (lithium) 700 (Li–ion rechargeable) 3 (lithium) 3.6 (Li-ion) Cylinder +: Nub cylinder end −: Flat opposite end H: 34.5 mm Ø: 17 mm [20] A lithium primary battery, not interchangeable with zinc types.

A rechargeable lithium-ion version is available in the same size and is interchangeable in some uses.

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According to consumer packaging, replaces (BR) 2⁄ 3A. In Switzerland as of 2008 [update], these batteries accounted for 16% of lithium camera battery sales.

[14] Used in flashlights and UV water purifiers. [21] CR2 15270 (Li-ion rechargeable, 800 mA) 15266 (Li-ion, 600 mA) 6135-99-606-3982 (NSN) CR15H270 [22] 5046LC 750 (lithium) 600/800 (Li-ion types) 3 (lithium) 3.6 (Li-ion) Cylinder +: Nub cylinder end −: Flat opposite end H: 27 mm Ø: 15.6 mm Standard discharge current: 10 mA A common battery type in cameras and photographic equipment. In Switzerland as of 2008 [update], these batteries accounted for 6% of lithium camera battery sales.

[14] 2CR5 EL2CR5 DL245 RL2CR5 KL2CR5 6135-99-577-2940 (NSN) 2CR5 5032LC [23] 1500 6 Double cylinder. Keyed. Both on one end. Terminal center spacing 16 mm.

H: 45 mm L: 34 mm W: 17 mm Commonly used in film and digital cameras. Shaped so that it can be inserted into aa aaa aaaa battery compartment only one way. Contains 2 CR123A cells. [24] CR-P2 BR-P2 223A CR17-33 5024LC CR-P2 5024LC [25] 1500 6 Double cylinder. Keyed. Both on one end. Terminal diameter: 8.7 mm Terminal center spacing: 16.8 mm. H: 36 mm L: 35 mm W: 19.5 mm Shaped so that it can be inserted into a battery compartment only one way.

Typical mass: 37 g. They contain two 3 V cells exchangeable with CR123 cells. CR-V3 CRV3 RCR-V3 (Li-ion) 5047LC 5047LF (primary) [26] 3000 (lithium) 1300 (Li-ion) 3 (lithium) 3.6 (Li-ion) Double cylinder flat pack. Keyed. Both on one end H: 52.20 mm L: 28.05 mm W:14.15 mm The same size aa aaa aaaa two R6 (AA) cells side by side. A rechargeable type is also made in this size. May be used in some devices not explicitly designed for CR-V3, especially digital cameras.

CP1 DLCP1 DL-CP1C CP3553 [27] 2300 [28] 3 Prismatic. Both on one end. H: 57 mm L: 35 mm W: 7 mm Shaped so that it can be inserted into a battery compartment only one way. No longer made by Duracell, nor listed in its official website, but still stocked as of 28 February 2017 by some re-sellers.

Typical mass: 1.1 oz (31 g). [28] Disposable equivalent of the Nikon EN-EL5 Li-ion rechargeable camera battery. [27] 7R31 Kodak K 7R31 538 4 (mercury) 4.5 (alkaline) Cartridge Negative along body, positive side of battery exposed for positive Approx: H: 11 mm L: 40 mm W: 16 mm Typically a cartridge of three mercury button cells for use in 110 format cameras.

The later version of the battery used alkaline batteries. Button cells – coin, watch [ edit ] Coin cells of various diameters and thicknesses. Coin-shaped cells are thin compared to their diameter. Polarity is usually stamped on the metal casing. The IEC prefix "CR" denotes lithium manganese dioxide chemistry. Since LiMnO 2 cells produce 3 volts there are no widely available alternative chemistries for a lithium coin battery.

The "BR" prefix indicates a round lithium/carbon monofluoride cell. See lithium battery for discussion of the different performance characteristics.

One LiMnO 2 cell can replace two alkaline or silver-oxide cells. IEC designation numbers indicate the physical dimensions of the cylindrical cell. Cells less than one centimeter in height are assigned four-digit numbers, where the first two digits are the diameter in millimeters, while the last two digits are the height in tenths of millimeters. Taller cells are assigned five-digit numbers, where the first two digits are the diameter in millimeters, followed by the last three aa aaa aaaa indicating the height in tenths of millimeters.

All these lithium cells are rated nominally 3 volts (on-load), with open-circuit voltage about 3.6 volts. Manufacturers may have their own part numbers for IEC standard size cells. The capacity listed is for a constant resistance discharge down to 2.0 volts per cell.

[29] Aa aaa aaaa. Names Typical capacity (mAh) Standard discharge current (mA) Dimensions d × h (mm) Comments IEC ANSI 1 CR927 30 9.5 × 2.7 Used extensively in blinkies. Also used in some Lego toys. 2 CR1025 5033LC 30 0.1 10 × 2.5 3 CR1130 70 11.5 × 3.0 A rare battery, sometimes used in car security (car alarm/keyfob batteries), organizer aa aaa aaaa battery for PDA such as Psion etc.), and some pedometers. Also known as DL1130, BR1130, KL1130, L1130, ECR1130, KCR1130, E-CR1130, KECR1130 [30] [31] 4 CR1216 5034LC 25 aa aaa aaaa 12.5 × 1.6 Used in some lighted watches and some LED decorator lights (electronic tea candles).

5 CR1220 5012LC 35–40 0.1 (CR) 0.03 (BR) 12.5 × 2.0 Used in keychain LED flashlights, and in some digital cameras to keep the time and date function running even when the main battery is taken aa aaa aaaa of the camera. [32] [33] 6 CR1225 5020LC 50 0.2 12.5 × 2.5 Aa aaa aaaa discharge current: 1 mA.

Maximum pulse discharge current: 5 mA. 7 CR1616 50–55 0.1 16 × 1.6 Used in automobile key remotes and in Game Boy cartridges (for powering the RAM for saved games). 8 CR1620 5009LC 75–78 0.1 16 × 2.0 Used in automobile key remotes and early digital watches. 9 CR1632 140 (CR) 120 (BR) 0.1 (CR) 0.03 (BR) 16 × 3.2 Used in automobile key remotes; e.g., Toyota Prius 2012. 10 CR2012 55 0.1 20 × 1.2 11 CR2016 5000LC 90 0.1 (CR) 0.03 (BR) 20 × 1.6 Frequently used in aa aaa aaaa watches.

Often used in pairs instead of CR2032 for devices that require more than 3 V, like blue/white LED flashlights. 12 CR2020 115–125 20 × 2 13 CR2025 5003LC 160–165 0.2 20 × 2.5 Frequently used in digital watches and automobile remotes. 14 CR2032 5004LC 225 (CR) 190 (BR) 0.2 (CR) 0.03 (BR) 20 × 3.2 Maximum discharge current: 3 mA.

Maximum pulse discharge current: 15 mA. This is also the most common lithium cell. Commonly used on computer motherboards as nonvolatile BIOS memory and real-time clock (RTC) backup batteries, device remote controls, remote key fobs for cars and other vehicles.

Also in other devices such as key finders like Apple's AirTag. Weighs around 2.9 g. [34] 15 CR2040 280 20 × 4.0 Used in Skytronic PRO Audible Altimeter but also flow meters and organizers aa aaa aaaa a memory backup battery). Has become obsolete and hard to find. Other names are BR2040, DL2040, ECR2040, E-CR2040, KCR2040, KECR2040, KL2040, L2040, L24. 16 CR2050 350 20 × 5.0 Available. 17 CR2320 110–175 [35] [36] [37] 23 × 2 18 CR2325 165–210 23 × 2.5 19 CR2330 265 (CR) 255 (BR) 0.2 (CR) 0.03 (BR) 23 × 3.0 20 BR2335 [38] 165 (BR) 23 × 3.5 21 CR2354 560 0.2 23 × 5.4 22 CR2412 100 0.2 24.5 × 1.2 23 CR2430 5011LC 270–290 24.5 × 3.0 Used in XBand Modem to save updates and profile data.

24 CR2450 5029LC 610–620 24.5 × 5.0 Portable aa aaa aaaa requiring high current (3.0 mA) and long shelf life (up to 10 years) 25 CR2477 1000 0.2 24.5 × 7.7 Has the highest capacity of lithium button cell batteries. [39] 26 CR3032 500–560 (CR) 500 (BR) 0.1-0.2 (CR) 0.03 (BR) 30.0 × 3.2 Continuous discharge current taken from Panasonic Catalog. 27 CR11108 160 11.6 × 10.8 Also called CR1/3N because it is 1⁄ 3 rd the height of an alkaline N cell, and a stack of three of them will form a battery with the same dimensions as an N cell, but with 9 V terminal voltage.

Such 9 V batteries in a single package do exist but are rare and only usually found in specialist applications; they can be referred to as 3CR1/3N. However, 2CR1/3N, a 6 V battery consisting internally of a stack of two CR1/3N and standardized by ANSI as 1406LC and by IEC as 2CR13252 (though some datasheets state it as 2CR11108 instead), is sold by Duracell (PX28L [40]), Energizer (L544, now obsolete [41]), and others.

A CR1/3N is also used by photographers instead of two LR44 batteries in cameras. Silver oxide and alkaline cells [ edit ] Round button cells have heights less than their diameter. The metal can is the positive terminal, and the cap is the negative terminal. Button cells are commonly used in electric watches, clocks, and timers. IEC batteries that meet the international IEC 60086-3 standard for watch batteries [42] [ clarification needed] carry a aa aaa aaaa suffix.

Other uses include calculators, laser pointers, toys, LED "blinkies", and novelties. IEC designation numbers indicate the physical dimensions of the cylindrical aa aaa aaaa. Cells less than one centimeter in height are assigned 4-digit numbers, where the first 2 digits are the diameter in millimeters, while the last 2 digits are the height in tenths of millimeters.

Taller cells are assigned 5-digit numbers, where the first 2 digits are aa aaa aaaa diameter in millimeters, followed by the last 3 digits indicating the height in tenths of aa aaa aaaa. Assorted sizes of button and coin cells, including alkaline and silver oxide chemistries.

Four rectangular 9 V aa aaa aaaa are also shown, for size comparison. Enlarge to see the button and coin cell size code markings. In the IEC aa aaa aaaa, cell types with an "SR" prefix use silver oxide chemistry and provide 1.55 volts, while the "LR" prefix batteries use alkaline chemistry and provide 1.5 volts. Common alternative manufacturer's prefixes for these two types are "SG" for silver oxide and "AG" for alkaline.

Since there are no "common" names beyond the Aa aaa aaaa designation, many vendors use these four designations interchangeably for the same physical sized cell. The functional differences are aa aaa aaaa silver oxide batteries typically have 50% greater capacity than alkaline chemistry, relatively slowly declining voltage during discharge compared to alkaline types of the same size, and superior leakage resistance. The ultimate energy capacity of a silver battery may be as much as twice that of an alkaline.

Also, a silver cell with a flat discharge characteristic is preferable for devices that need a steady voltage, such aa aaa aaaa photographic light meters, and devices that will not operate below a certain voltage; for example, some digital calipers, which do not work below 1.38V. Alkaline batteries are usually cheaper than silver oxide equivalents. Inexpensive devices are sometimes supplied fitted with alkaline batteries, though they would benefit from the use of silver oxide batteries.

Exhausted silver oxide cells are often recycled to recover their precious metal content, whereas depleted alkaline cells are discarded with household trash or recycled, depending on the local practices. Mercury batteries were formerly commonly made in button sizes for watches, but due to careless disposal and the resulting mercury pollution hazard, they are no longer available.

This is also a concern for users of vintage camera equipment, which typically used a mercury button battery in the exposure meter for its very steady voltage characteristic. Substitute non-mercury batteries have been produced to replace certain discontinued mercury batteries, typically by incorporating a miniature voltage regulator to simulate the flat voltage discharge characteristics of the original batteries. In the following table, sizes are shown for the silver-oxide IEC number; types and capacity are identified as "(L)" for alkaline, "(M)" for mercury (no longer manufactured), and "(S)" for silver-oxide.

Some sizes may be interchangeably used in battery holders. For example, the 189/389 cell is 3.1 mm high and was designated 1131, while the 190/390 size is 3.0 mm high and was designated 1130, but a battery holder will accept either size. Names Typical capacity ( mAh) Dimensions dia × h (mm) Comments (L), alkaline (S), silver-oxide Most common Other common IEC ANSI SR41 AG3/SG3/G3-A LR41 192/384 [43]/392 6135-99-949-0402 (NSN)(S) QR41 LR736 (L) SR736 (S) 1135SO (S) 1134SO (S) 25–32 (L) 38–45 (S) 7.9 × 3.6 SR42 242 [44] 344 [43]/350 [45] 387S [46] SR1136 (KOH electrolyte, 344/350) SR1136S (NaOH electrolyte, 387S) 1139SO 63 (387S) 100 (344/350) 11.6 × 3.6 SR43 AG12/SG12 LR43 L1142 186/301 [43]/386 6135-99-547-0573 (NSN)(S) LR1142 (L) SR1142 (S) 1133SO (S) 1132SO (S) 80 (L) 120–125 (S) 11.6 × 4.2 SR44 AG13/SG13 LR44/LR154 6135-99-792-8475 (NSN)(alkaline) 6135-99-651-3240 (NSN)(S) A76/S76/EPX76 157/303 [43]/357 1128MP, 208-904, A-76, A613, AG14, AG-14, CA18, CA19, CR44, D76A, G13A, G13-A, GDA76, GP76A, GPA7, GPA75, GPA76, GPS76A, KA, KA76, AG76, L1154, L1154C, L1154F, L1154G, L1154H, LR44G, LR44GD, LR44H, MS76H, PX76A, PX675A, RPX675, RW82, SB-F9, V13G, 357A LR1154 (L) SR1154 (S) 1166A (L) 1107SO (S) 1131SOP (S) 110–150 (L) 170–200 (S) 11.6 × 5.4 Typical internal resistance: 8 ohms SR45 AG9/SG9 LR45 194/394/380 [43] 6135-99-782-4675 (NSN)(S) LR936 (L) SR936 (S) 48 (L) 55–82 (S) 9.5 × 3.6 SR48 AG5/SG5 LR48 L750 193/309 [43]/393 LR754 (L) SR754 (S) 1136SO (S) 1137SO (S) 52 (L) 70 (S) 7.9 × 5.4 LR52 A640PX, E640, EN640A, EPX640A, MR52, PX640, PX640A [47] LR52 (L) MR52 (M) 1126A (L) [48] 335 (L) [48] 15.8 × 11.1 [48] 1.5 V (L), 1.35 V (M) No longer made by Duracell or Energizer, but still stocked by some re-sellers as of 26 February 2017 [47] SR54 AG10/SG10/G10-A LR54 189/387/389/390 [43] L1131/LR1130/SR1130 6135-99-796-0471 aa aaa aaaa LR1131 (L) SR1131 (S) 1138SO (S) 44–68 (L) 80–86 (S) 11.6 × 3.1 SR55 AG8/SG8 LR55 191/381 [43]/391 LR1120/SR1120 LR1121 (L) SR1121 (S) 1160SO (S) 40–42 (L) 55–67 (S) 11.6 × 2.1 365, 366, [43] S16, 608 SR1116SW 1177SO [49] 28–40 [50] [51] 11.6 × 1.65 1.55 V SR56 SR1126 11.6 × 2.6 Listed in IEC 60086-2:2001, but apparently no longer manufactured by any major company.

SR57 AG7/SG7 LR57 195 395(low-drain) [43]/399(high-drain) [52] LR927/SR927 SR927W/SR927SW/GR927 6135-99-796-0471 (NSN)(S) LR926 (L) SR926 (S) 1165SO (S) 46 (L) 55–67 (S) 9.5 × 2.6 SR58 AG11/SG11 LR58 162/361/362 [43] LR721 (L) SR721 (S) 1158SO (S) 18–25 (L) 33–36 (S) 7.9 × 2.1 SR59 AG2/SG2 LR59 196/396/397 [43] LR726 (L) SR726 (S) 1163SO (S) 26 (L) 30 (S) 7.9 × 2.6 SR60 AG1/SG1 LR60 164/364 [43] LR621 (L) SR621 (S) 1175SO (S) 13 (L) 20 (S) 6.8 × 2.1 SR62 SR516SW 317 [43] LR516 (L) SR516 (S) 11 (S) 5.8 × 1.6 SR63 AG0/SG0 LR63 379 [43] LR521 (L) SR521 (S) 10 (L) 18 (S) 5.8 × 2.1 SR64 LR64 319 [43] LR527 (L) SR527 (S) 12 (L) 20 (S) 5.8 × 2.7 SR65 SR616SW 321 [43] LR65 Varta V321 6.8 × 1.65 SR66 AG4/SG4 LR66 177/376/377 [43] SR626SW LR626 (L) SR626 (S) 1176SO (S) 12–18 (L) 26 (S) 6.8 × 2.6 Commonly used in many wrist watches.

SR67 315 [43] SR716 (S) 21 (S) 7.9 × 1.65 SR68 SR916SW 373 [43] LR916 (L) SR916 (S) 26 (S) 9.5 × 1.6 SR69 AG6/SG6 LR69 171/370/371 [43] LR920/SR920 LR921 (L) SR921 (S) 30 (L) 55 (S) 9.5 × 2.1 SR416 SR416SW 337 [43] LR416 (L) SR416 (S) 8 (S) 4.8 × 1.6 SR512 335 [43] SR512SW 5.5 (S) 5.8 × 1.3 SR712 SR712SW SR712 (S) 9 (S) 7.9 × 1.3 SR731 SR731SW 24 329 [43] LR731 (L) SR731 (S) 36 (S) 7.9 × 3.1 LR932 LR932 (L) 40 (L) 9.3 × 3.2 Rarely used independently. 8 of these in series are used to form an A23 battery.

LR9 625 V625U 190 (L) 15.5 × 6.0 Its diameter is smaller on the other end. Zinc air cells (hearing aid) [ edit ] Zinc-air hearing aid batteries Miniature zinc-air batteries are button cells that use oxygen in air as a reactant and have very high capacity for their size.

Each cell needs around 1 cc of air per minute at a 10 mA discharge rate. These cells are commonly used in hearing aids. A sealing tab keeps air out of the cell in storage; a few weeks after breaking the seal the electrolyte will dry out and the battery becomes unusable, regardless of use.

Nominal voltage on discharge is 1.2 V. Names Typical capacity ( mAh) Dimensions dia. × h. (mm) Comments Most common Other common IEC ANSI 5 Red tab, AC5, ZA5 PR63 7012ZD 33 5.8 × 2.5 Marked as "discontinued" in Energizer data sheet. [53] 10 Yellow tab, AC10, AC10/230, [54] DA10, DA230, ZA10 [55] [56] PR70 7005ZD 91 5.8 × 3.6 13 Orange tab, ZA13 PR48 7000ZD 280 7.9 × 5.4 312 Brown tab 6135-99-752-3528 (NSN) ZA312 PR41 7002ZD 160 7.9 × 3.6 630 DA630 [54] 7007Z 1,000 15.6 × 6.2 No longer aa aaa aaaa by Duracell 675 Blue tab, ZA675 PR44 7003ZD 600 11.6 × 5.4 AC41E PR43 7001Z 390 11.6 × 4.2 Discontinued Lithium-ion batteries (rechargeable) [ edit ] An alkaline AA size battery and an 18650 size lithium ion battery Cylindrical lithium-ion rechargeable battery [ edit ] Lithium-ion rechargeable batteries are generally not interchangeable with primary types using a different chemistry.

Many are also available with internal protection circuits that can increase their physical length; for example, an 18650 is aa aaa aaaa 65 mm (2.56 in) long, but may be around 68 mm (2.68 in) long with an internal protection circuit. Some such circuits increase cell diameter instead. The increased dimensions may mean the cell will no longer fit in battery compartments intended for cells without such circuitry.

Commonly-used designation numbers indicate the physical dimensions of the cylindrical cell, as given in IEC standard 60086-1 for cylindrical primary cells.

The first two digits are the nominal diameter of the cell in millimetres, and the three following digits are the height in millimeters. Manufacturers may use non-IEC designations for their products.

Names Typical capacity (mAh) Dimensions (mm) Comments Id. Other common Diameter Length 07540 80–150 7.5 40 Used in some Electronic cigarettes. 08570 280 8.5 70 Used in some Electronic cigarettes. [ citation needed] 10180 Lithium ion 1⁄ 3 AAA 90 10 18 Sometimes called 1⁄ 3 AAA.

Used in tiny flashlights. 10280 Lithium ion 2⁄ 3 AAA 200 10 28 Used in small flashlights. 10440 [57] Lithium ion AAA 250–350 [58] 10 44 Same size as AAA cell. 14250 Lithium ion 1⁄ 2 AA 300 14 25 Same size as 1⁄ 2 AA cell. Used in the flashlight Lummi RAW. 14430 400–600 [59] 14 43 Used in solar garden lights, toys, rechargeable shavers (e.g., some Philips/Norelco). [ citation needed] 14500 [60] Lithium-ion AA 700–1000 [61] [62] 14 53 Similar size as AA cell.

Those with a protection circuit are slightly longer. Variations include rechargeable Kentli 1.5 V lithium AAs (2800 mAh) and non-rechargeable SAFT-brand primary cells (2600 mAh) [63] [64] Used in many LED flashlights.

Nominal voltage is 3.7 V. 14650 [65] 940–1200 [66] 14 65 Approximately 5⁄ 4 the length of a AA cell. 15270 [67] RCR2 450–600 15 27 Aa aaa aaaa for CR2 primary lithium. Nominal voltage usually is 3 V. 16340 RCR123A 550–800 [68] 16 34 Alternate substitute for CR123A primary lithium.

[69] Unprotected. (16 × 36, some protected versions [70]). 16650 1600–2500 [71] 16 aa aaa aaaa Made by Sanyo and a few others, narrower version of 18650 cells. [ citation needed] 17500 [72] [73] A 830–1200 [74] [75] 17 50 The same size as an A cell, and 1.5 times the length of a CR123A. SAFT-brand cells (3600 mAh) are non-rechargeable. aa aaa aaaa 1200–1600 [76] 17 65 Between the size of a 16650 and 18650.

17670 [77] [78] 1250–1600 [79] 17 67 Twice the length of a standard CR123A. 18350 700–1200 [80] 18 35 [69] 18490 [81] 800–1400 [82] 18 49 Slightly shorter than a 18500 cell.

18500 [83] [84] 1100–2040 [85] 18 50 About the same length as an AA cell, but larger diameter. 18650 [86] [87] 168A, 1865 1500–3500 [88] 18 65 This cell type is used in many laptop computer batteries, cordless power tools, certain electric cars, electric kick scooters, [89] most e-bikes (bicycles driven or supported by electric motors), portable powerbanks, electronic cigarettes, [90] [91] and LED flashlights. Nominal voltage is 3.7 V. [69] 20700 [92] 2800–4100 [93] 20 70 Introduced by Sanyo/Panasonic for use in portable power tools as higher-power and higher-capacity successor for 18650 cells.

[ citation needed] 21700 21–70, 2170 3000–5000 [94] 21 70 Announced by Samsung [95] and LG Chem in 2015 for use in electric bikes. [96] By January 2017, was being produced at Tesla Gigafactory 1 for aa aaa aaaa Tesla Model 3, [97] reaching an annual production rate of 1.8 billion cells annually (20 GWh per year) by mid-2018.

[98] Also used for stationary storage (Tesla Powerwall 2 and Powerpack 2), with a July 2019 Tesla forecast that they would ship 2 GWh of batteries for stationary storage in 2019. [99] 25500 [100] 2500–5500 [101] 25 50 26500 26 50 About the same dimension as a C cell. 26650 [102] [103] 2400–5750 [104] 26 65 Popular size as [105] ANR26650 LiFePO 4 cell from A123 Systems for radio control hobby use. Also used in larger, high-powered LED flashlights and some Electronic cigarettes.

26800 5500-6800 [106] 26 80 A larger format for e-bikes and transport. Used in some flashlights. Higher capacity than traditional 26650 cells and good ability to pass higher current.

32600 [107] 3000–6100 [108] 32 60 About the same dimension as a D cell. 32650 [109] 5000–6500 [110] 32 67.7 Popular in larger LED flashlights.

38120 38120s, 38120HP 8000-10000 38 120 LiFePO4 3.2V. LiFePO4 properties: long lasting (2000+ cycles), safer, more stable, good continuous/peak discharge rates (3C/10C), less energy dense. These cylindrical cells are widely used in EVs including electric bikes, electric scooters, electric cars / hybrid electric cars, UPS batteries, storage batteries for solar power systems, starter batteries for cars and motorbikes etc.

The Headway 38120HP cells are used in high discharge environments as they have very good continuous/peak discharge rates (10C/25C). Because four cells in series produces a voltage range similar to 6 cells of Lead-acids and their fire-resistant properties, they can be used to replace a 12V lead acid car battery. [ citation needed] 38140 38140s 12000 38 140 LiFePO4 3.2V. Slightly taller version of the 38120 cells, most often used in electric bikes. Height including the screw terminals: 154mm [ citation needed] 40152 40152s 15000 40 152 LiFePO4 3.2V.

Largest cylindrical LiFePO4 cells. Height including the screw terminals: 167mm [ citation needed] 4680 46800 25000 [111] 46 80 Introduced by Tesla in 2020 as a high energy capacity cell for use in EVs. [112] [ full citation needed] [113] [114] [115] [116] Also presented by JAC/Volkswagen in joint-development with CBAK in early aa aaa aaaa. [117] Obsolete batteries [ edit ] These types are associated with legacy applications or no longer manufactured.

Names Typical capacity (mAh) Nominal voltage (V) Terminal layout Dimensions (mm) Comments Most common Other common IEC ANSI 523 PX21 3LR50 1306A 580 (alkaline) 4.5 D: 17.1 H: 49.9 Used in cameras and Apple Macintosh computers (such as the 128K through 512K and similar). As the name suggests, aa aaa aaaa is often just 3 LR50 batteries stacked together.

531 PX19 3LR50 1307AP 580 (alkaline) 4.5 D: 17.1 H: 58.3 A 523 with snap connectors attached to either end. Used in some older cameras, notably the Polaroid Automatic Land Camera packfilm models. No. 6 Ignition Aa aaa aaaa, 6135-99-114-3446 (NSN) FLAG (in UK) R40 905 35000–40000 (carbon‑zinc) 1.5 V D: 67 H: 172 Typical 21st century uses for this high capacity dry cell named so aptly for its 6-inch aa aaa aaaa include school science experiments, and starting glow plug model engines and in antique equipment.

This dry cell is commonly used in the UK for remote level crossing telephone handsets, where solar cells and rechargeable batteries have not been specified or retrofitted. These were formerly used in primary cell powered alarms (those without mains power) and associated bell ringing, servant or nurse call systems, ignition systems, telephones, [4] to improve voice quality on long lines to the local switch by increasing the off hook line voltage, impulse wound clocks (once a minute a mechanical movement pulses to advance electrically driven hands), and (in pairs) in WWII US Navy battle lanterns.

Modern cells identified as alkaline may be one or more 'D' cells in a holder. The terminal posts are threaded 8-32 ( Unified Thread Standard), insulated terminal nuts are normally provided, conical profile helical spring terminals are added for specific applications. Stamped and formed sheet metal spring terminals for bare wire connections (fahnestock clips) were supplied for use with telephones; e.g., the Western Electric 'Blue Bell' KS-6456 printed in blue ink on a grey paper and the Eveready 'Colombia Gray Label' printed in red ink on grey paper.

+: centre; −: edge. A Battery Eveready 742 1.5 V Metal tabs H: 101.6 L: 63.5 W: 63.5 Used to provide power to the filament of a vacuum tube. B Battery Eveready 762-S 45 V Threaded posts H: 146 L: 104.8 W: 63.5 Used to supply plate voltage in vintage vacuum tube equipment. Origin of the term B+ for plate voltage power supplies. Multiple B batteries may be connected in series to provide voltages as high as 300 V DC.

Some versions have a tap at 22.5 volts. GB Battery C Battery Eveready 761 1.5 to 9 V Threaded posts or banana sockets H: 76.2 L: 101.6 W: 31.75 Originally used in vintage vacuum tube equipment for grid bias. Still popular for school science class use as a variable voltage supply as the current version has several taps at 1.5 volt intervals. 791 Eveready 791 Eveready 791-A 2R14 3 V D: 23.81 H: 98.43 Equivalent to two C batteries (BA-42) in series.

Used in the M1 Bazooka. 15-volt Eveready 504 Mallory M154 NEDA 220 Rayovac 220 10F15 (Zn/MnO 2) 220 65 15 V (10 cells) Flat round (one each end) H: 34.9 L: 15.1 W: 15.9 Used in older instruments [118] and old battery–capacitor flashes.

Used in Bang & Olufsen Beomaster 2400 remote controls. Still being manufactured as of 2020. 22.5-volt Eveready 412 15F20 (Zn/MnO 2) 215 140 22.5 V (15 cells) Flat round (one each end) H: 50 L: 25 W: 15 Used in older instruments.

[119] the Regency TR-1 (first transistor radio) and old battery–capacitor flashes. 30-volt Eveready 413 20F20 (Zn/MnO 2) 210 140 30 V (20 cells) Flat round (one each end) H: 64 L: 25 W: 15 Used in older instruments. [120] 45-volt Eveready 415 30F20 (Zn/MnO 2) 213 140 45 V (30 cells) Both on same aa aaa aaaa H: 91 L: 26 W: 15 Used in older instruments. [121] 67.5-volt Eveready 416 217 140 67.5 V (46 cells) Both on same end H: 88 L: 33 W: 25 Used in older instruments.

[122] PP series [ edit ] The PP battery range The PP ( Power Pack) series was manufactured by Ever Ready in the UK ( Eveready in the US). The series comprised multi-cell carbon-zinc batteries used for portable electronic devices.

Most sizes are uncommon today; however, the PP3 size (and to a lesser extent PP8, used in electric fencing, and PP9) is readily available. [123] The PP4 was cylindrical; all the other types were rectangular. Most had snap terminals as seen on the common PP3 type. These came in two incompatible sizes, as is evident in some of the pictures below, those on larger, mostly older, battery types such as the PP9 being somewhat larger than those on the smaller batteries such as the PP3.

Image (with PP3/E-size for scale) Names Typical capacity (mAh) Nominal voltage (V) Dimensions (mm) Comments PP Other common PP1 6 H: 55.6 L: 65.5 W: 55.6 This battery had two snap connectors spaced 35 mm ( 1 + 3⁄ 8 in) apart.

PP3 See PP3 battery PP4 226 NEDA 1600 IEC 6F24 9 H: 50.0 Diameter: 25.5 PP6 246 NEDA 1602 6135-99-628-2361 (NSN) IEC 6F50-2 850 9 H: 70.0 L: 36.0 W: 34.5 Center distance between terminals is max. 12.95 mm with both offset 7 mm nominal from the wider battery edge. Mass is 120 g. PP7 266 NEDA 1605 6135-99-914-1778 (NSN) IEC 6F90 2500 9 H: 63 L: 46 W: 46 Center distance between terminals is max. 19.2 mm. Mass is 200 g. PP8 SG8 "Fencer" 6 H: 200.8 L: 65.1 W: 51.6 This battery typically had two snap connectors; however, four [ clarification needed] connector versions are available.

Aa aaa aaaa were spaced 35 mm ( 1 + 3⁄ 8 in) apart. This type of battery is sometimes used in electric fencing applications. PP9 276 NEDA 1603 6135-99-945-6814 (NSN) IEC 6F100 5000 9 H: 81.0 L: 66.0 W: 52.0 This battery has two snap connectors spaced 35 mm ( 1 + 3⁄ 8 in) apart.

PP10 9 H: 226.0 L: 66.0 W: 66.0 This battery had two-pin connectors. They were a single ⌀3.2 mm negative pin and a single ⌀4.0 mm positive pin spaced 13.0 mm apart. PP11 4.5 + 4.5 H: 91.3 L: 65.1 W: 52.4 This battery contained two independent 4.5 V batteries, and had a four-pin connector. 9 V with a center tap was available by wiring in series.

There were two ⌀3.2 mm negative pins spaced 9.5 mm apart and two ⌀4.0 mm positive pins spaced 14.3 mm apart. Negative and positive pins were spaced 18.1 mm apart. It was used in some early transistor radio amplifiers with a Class B output stage, allowing the loud speaker to be connected between the amplifier output and the battery center tap.

See also [ edit ] • ^ Pistoia, Gianfranco (2005-01-25). Batteries for Portable Devices. Elsevier. p. 1. ISBN 0080455565. Retrieved 2016-03-18.

• ^ Crompton, T. R. (2000-03-20). Battery Reference Book (third ed.). Newnes. p. Glossary 3. ISBN 0080499953. Retrieved 2016-03-18. • ^ "Battery Equivalents and Replacements". Retrieved 21 July 2018. • ^ a b David Linden, Thomas B. Reddy (ed). Handbook of Batteries, 3rd edition, McGraw-Hill, New York, 2002 ISBN 0-07-135978-8 chapter 4 • ^ "Batterydiary.com". 11 December 2020.

• ^ "Panasonic Interactive Short Form Catalog 2018" (PDF). eu.industrial.panasonic.com. Panasonic Corporation. 8 November 2018. Retrieved 26 September 2019. • ^ Kerouanto, Alain (February 2008). "Primary Lithium Batteries for Dummies!" (PDF). Poitiers, France: Saft, Lithium Batteries Division. Archived (PDF) from the original on 2019-08-11. Retrieved 2019-08-11. (93 pages) • ^ Heinz Albert Kiehne, Battery technology handbook,CRC Press, 2003 ISBN 0-8247-4249-4, page 374 • ^ "Teardown of Kentli PH5 1.5 V Li-Ion AA battery".

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Retrieved 23 February 2015. • ^ "Energizer No. 416" (PDF). Datasheet.octopart.com. Archived (PDF) from the original on 5 March 2016. Retrieved 23 February 2015. • ^ Thomas Roy Crompton Battery Reference Book 3rd editionNewnes, 2000, ISBN 0-7506-4625-X, page 54-11 Further reading [ edit ] • IEC 60086-1: Primary batteries - Part 1: General • IEC 60086-2: Primary batteries - Part 2: Physical and electrical specifications • IEC 60086-3: Primary batteries - Part 3: Watch batteries • IEC 60086-4: Primary batteries - Part 4: Safety of lithium batteries • ANSI C18.1, Part 1 Portable Primary Cells and Batteries With Aqueous Electrolyte - General and Specifications • ANSI C18.1, Part 2 Portable Primary Cells and Batteries With Aqueous Electrolyte Safety Standard • ANSI C18.2, Part 1 Portable Rechargeable Cells and Batteries - General and Specifications • ANSI C18.2, Part 2 Portable Rechargeable Cells and Batteries Safety Standard • ANSI C18.3, Part 1 Portable lithium Primary Cells and Batteries - General and Specifications • ANSI C18.3, Part 2 Portable lithium Primary Cells and Batteries Safety Standard • MOD Defence Standard 61-017 The Selection and Introduction of Batteries and Fuel Cells for Service Use [ clarification needed] • MOD Defence Standard 61-021 Generic Specification for Batteries External links [ edit ] Wikimedia Commons has media related to Batteries by form factor.

• A growing list of battery equivalents and details. Courtesy of the Highfields Amateur Radio Club (Cardiff, UK). (Archived on 31 Jan 2016) • Duracell Technical OEM Data Sheets • Energizer/Eveready Data Sheets • Energizer/Eveready European Data Sheets • Energizer/Eveready Obsolete Battery Data Sheets • Brand Neutral Drawings Of Common Batteries Based On ANSI C18-2007 • EU Report on battery labelling • Batteries CROSS-REFERENCE INDEX Hidden categories: • Webarchive template wayback links • CS1 errors: missing title • CS1 errors: bare URL • Articles with short description • Short description is different from Wikidata • Articles needing additional references from July 2011 • All articles needing additional references • All articles with unsourced statements • Aa aaa aaaa with unsourced statements from October 2011 • Articles containing potentially dated statements from 2008 • All articles containing potentially dated statements • Wikipedia articles needing clarification from January 2017 • Articles with unsourced statements from September 2020 • All articles with incomplete citations • Articles with incomplete citations from January 2021 • Wikipedia articles needing clarification from April 2022 • Wikipedia articles needing clarification from June 2016 • Commons category link is on Wikidata Edit links • This page was last edited on 23 April 2022, at 15:20 (UTC).

• Text is available under the Creative Commons Attribution-ShareAlike License 3.0 ; additional terms may apply. By using this site, you agree to the Terms of Use and Privacy Policy. Wikipedia® is a registered trademark of the Wikimedia Foundation, Inc., a non-profit organization. • Privacy policy • About Wikipedia • Disclaimers • Contact Wikipedia • Mobile view • Aa aaa aaaa • Statistics • Cookie statement • •
• JEWELRY GUIDE • Diamond Guide • Emerald Guide • Sapphire Guide • Ruby Guide • ENGAGEMENT GUIDE • How To Choose?

• Myths • Be Different • The Perfect One • SHOP RINGS • Diamond Rings • Emerald Rings • Ruby Rings • Sapphire Rings • SHOP ENGAGEMENT RINGS • Diamond Engagement Rings • Emerald Engagement Rings • Ruby Engagement Rings • Sapphire Engagement Rings • SHOP OTHER JEWELRY • Wedding Bands • Earrings • Necklaces • Bracelets Did you know that a ring with a 1 carat emerald can be priced anywhere from $50 to $5,000 depending on the quality of the emerald? Confused about the quality of Emerald you are buying?

This write-up will help you understand how emerald qualities differ from each other, which quality is best for you and what you should be paying for it. Background Unlike Diamonds (which has many parameters like cut, clarity aa aaa aaaa, read more on that at our Diamond Guide), a novice buyer should only be concerned with the “color” of Emerald.

Do not worry about the inclusions in Emeralds that are visible to your eyes, since they are just natural minerals that occur commonly in most natural Emeralds. Today, buying a diamond is very transparent and easy due to the standardization of all its characteristics and hence the general verification that all gemological laboratories can do very easily, affordably and consistently.

Hence diamonds can be put into aa aaa aaaa categories for the customer to understand what (s)he is buying. But buying Emeralds (or other colored gemstones) can be trickier since they have no industry accepted standardization for the most part. Due to the high cost and no standard grading qualities, typically only color gemstones >$10,000 come with a certificate. So the question begs itself: How can a novice buyer be sure of the quality of his/her Emerald jewelry, from traditional retailers or online jewelers?

A lot of leading jewelers have adopted a simpler grading system to make it easier for the customer to buy Emerald jewelry. Please ask your jeweler on the quality of your Emerald based on the grading system below. We recommend buying Natural AAA or AAAA gemstones only. Preferred Grading System: Natural AAAA vs AAA vs AA Unlike diamonds, color gemstones do not have a perfect grading system.

Hence, we along with a lot of the leading jewelers grade our Emeralds as Natural AAAA, Natural AAA or Natural AA. For all the Emerald jewelry on our own website, we typically use some of the vest best Natural AAAA sapphires from Zambia (which has very similar luster to the Colombian AAAA Emeralds).

Colombian Emeralds are well-accepted as the best Emeralds known to man. A Colombian bluish-green Emerald with superior luster is considered an Heirloom Emerald and can be sourced on request. 6. Included Emerald is fine but NO surface cracks. However, you can request any of Natural AAAA or Natural AAA (or even Natural AA) qualities and we will revert with prices and images within 48 hours.

Always remember – if you need anything else, just ask! How was your first gemstone-buying experience? Share your story with us at www.facebook.com/Diamondere I have worked in the jewelry industry for over 15 years.

I began my career designing jewelry and then started hand-crafting it myself. Over time, I realized that customers today while customizing their jewelry or picking out an engagement ring, could benefit greatly from the wealth of experience I have in this industry. Today, I love helping customers aa aaa aaaa in a small way, be a part of their emotional journey (since every jewelry purchase for me is an emotional experience). • A Buyer’s Guide to Morganite Rings &… • A Buyer’s Guide to Emerald Rings: Natural AAAA vs.… • A Buyer’s Guide to Ruby Rings: Natural AAAA vs AAA vs AA • A Buyer’s Guide to Sapphire Rings: Natural AAAA vs AAA vs AA • From Statement Jewelry to Delicate Pieces; Choosing… aa aaa aaaa A Buyer’s Guide to Amethyst Rings: Natural… All the content, information, news, pictures and images shown at Diamondere.com/blog are completely for non-commercial purpose.

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