List of battery sizes

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Contents

This article refers to common battery types and sizes in household and light industrial use.

Battery size generally refers to the shape, voltage, and terminal layout of a battery. Thus the term "size" has become interchangeable with "type". Batteries of different types will usually not have the same dimensions and terminal layout.

[edit] Battery chemistry

New battery chemistries have strained the original common naming conventions. In all old batteries the voltages were in increments of 1.5 volts, which reflected the number of individual cells in the battery. Newer chemistries such as rechargeable NiCd and NiMH typically output 1.25 volts per cell. Some devices may not run properly on rechargeable batteries, but most handle them reasonably well. Other devices have exceptionally high drain rates and require a lithium type battery to run properly. Many new battery sizes refer to both the batteries' size and chemistry, while older names do not. For a more complete list see battery types. This summary is only for types relating to battery "sizes" types).


[edit] Battery chemistry primary

(charge density order)

Chemistry Cell
Voltage
Comments
Zinc-carbon 1.5 Inexpensive
Zinc-chloride 1.5 Inexpensive
alkaline
(zinc-manganese dioxide)
1.5 Moderate energy density
Good for high and low drain uses
Lithium
(lithium-iron disulfide)
LiFeS2
1.5 Expensive
Used in 'plus' or 'extra' batteries
Lithium
(lithium-manganese dioxide)
LiMnO2
3.0 Expensive
Only used in high-drain devices or for long shelf life due to very low rate of self discharge. 'Lithium' alone usually refers to this type of chemistry.
Mercury oxide 1.35 High drain and constant voltage
Banned in most countries because of health concerns
Zinc-air 1.35-1.65 Mostly used in hearing aids
Silver oxide (silver-zinc) 1.6 Very expensive
Only used commercially in 'button' cells

[edit] Battery chemistry rechargeable

(charge density order)

Chemistry Cell
voltage
Comments
NiCd 1.2 Inexpensive
High/low drain, moderate energy density
Moderate rate of self discharge
NiMH 1.2 Expensive, high drain devices
High rate of self discharge
Lithium ion 3.6 Very expensive
Very high energy density
Not usually used in 'common' battery sizes
Very common in laptop computers, moderate to high-end digital cameras and camcorders, and cellphones
Very low rate of self discharge

[edit] Brand models

Even more confusing is that many manufacturers assign their own names and numbers to their batteries in disregard of common, colloquial, IEC, and ANSI naming conventions (See LR44 battery as an example). Many times this is to steer customers towards their brand and away from competitors by obfuscating the common name for a battery. For instance, if your TV remote needs a new battery and inside the battery compartment it says, "Replace with CX472 type battery", many customers will get that specific type, which is a product model for a common battery from a specific company, not knowing that many other companies also make that exact same battery. In this article brand models have been purposefully omitted to avoid confusion.

[edit] Table of battery sizes

Common
name
Colloquial
name
IEC
Name
ANSI/NEDA
Name
Typical Capacity
(mAh)
Nominal Voltage Shape Terminal layout Dimensions Comments
123 Camera Battery
CR123
CR17354 (Lithium) 5018LC (Lithium) 1500 (Lithium)
700 (Li-Ion)
3 Cylinder + Nub cylinder end
- Flat opposite end
L 34.5mm
D 17mm
123 always implies lithium chemistry
4.5 Volt Bardic Lamp Battery
Pocketable Battery
1203
3LR12 (alkaline)
3R12 (carbon-zinc)
4.5V (any)
MN1203 (manganese)
2500 (alkaline)
1200 (carbon-zinc)
4.5 (always) Flat pack + short terminal strip
- long terminal strip
H 70mm
L 60mm
W 22mm
May be replaced by 3 AA cells using a plastic stub enclosure (not practical)
9 Volt PP3
9-Volt
Radio battery
6LR61 (alkaline)
6F22 (carbon-zinc)
6KR61 (NiCd)
1604A (alkaline)
1604D (carbon-zinc)
1604LC (Lithium)
11604 (NiCd)
7.2H5 (NiMH)
565 (alkaline)
400 (carbon-zinc)
1200 (lithium)
120 (NiCd)
175 (NiMH)
500 (Lithium polymer rechrg)
9
7.2 (NiCd)
7.2 (NiMH)
8.4 (some NiCd and NiMH)
Rectangular both small end
+ male clasp
- female clasp
H 48.5mm
L 26.5mm
W 17.5mm
 
AA Penlight
Mignon
LR6 (alkaline)
R6 (carbon-zinc)
FR6 (Lithium-FeS2)
KR157/51 (NiCd)
15A (alkaline)
15D (carbon-zinc)
15LF (Lithium-FeS2)
10015 (NiCd)
1.2H2 (NiMH)
2700 (alkaline)
1100 (carbon-zinc)
3000 (Lithium-FeS2)
600-1000 (NiCd)
1700-2900 (NiMH)
1.5
1.2 (NiCd)
1.2 (NiMH)
Cylinder + Nub cylinder end
- Flat opposite end
L 51mm
D 15mm
C7/HP7;
AAA Microlight
Potlood
LR3 (alkaline)
R3 (carbon-zinc)
24A (alkaline)
24D (carbon-zinc)
1200 (alkaline)
540 (carbon-zinc)
800-1000 (Ni-MH)
1.5 Cylinder + Nub cylinder end
- Flat opposite end
L 44.5mm
D 10.5mm
C16/HP16;
AAAA   LR8D425 (alkaline) 25A (alkaline) 625 (alkaline) 1.5 Cylinder + Nub cylinder end
- Flat opposite end
L 42.5mm
D 8.3mm
Obscure type sometimes used in 'pen flashlights' or in bundles inside of regular 9-volts
C Mignon LR14 (alkaline)
R14 (carbon-zinc)
14A (alkaline)
14D (carbon-zinc)
8000 (alkaline)
3800 (carbon-zinc)
1.5 Cylinder + Nub cylinder end
- Flat opposite end
L 50mm
D 26.2mm
C11/SP11/HP11; Can be replaced with alkaline AA cell using plastic sabot (stub case)
See naming notes below about CR battery types
CR927       30 (Lithium) 3 Coin + bottom/sides
- top
D 9.5mm
H 2.7mm
This obscure type of lithium coin cell is used extensively in blinkies.
CR1620   CR1620 (Lithium)     3 Coin + bottom/sides
- top
D 16mm
H 2.0mm
CR1225   CR1225 (Lithium)   50 3 Coin + bottom/sides
- top
D 12.5mm
H 2.5 mm
Standart discharge current: 0.2mA. Maximum discharge current: 1mA. Maximum pulse discharge current: 5mA.
CR2016   CR2016 (Lithium) 5000LC (Lithium) 90 (Lithium) 3 Coin + bottom/sides
- top
D 20mm
H 1.6mm
Standard Discharge Current: 0.1 mA. Often used in pairs instead of CR2032 for devices that require more than 3 volts, like blue/white LED flashlights. CAUTION: Using 2 CR2016 when not specified can damage a device.
CR2025   CR2025 (Lithium)  ? (Lithium) 160 (Lithium) 3 Coin + bottom/sides
- top
D 20mm
H 2.5mm
Standard Discharge Current: 0.2 mA. Often can be substituted with a CR2032, which is slightly higher and lasts longer. Be careful not to break the battery compartment.
CR2032   CR2032 (Lithium) 5004LC (Lithium) 225 (Lithium) 3 Coin + bottom/sides
- top
D 20mm
H 3.2mm
Standard Discharge Current: 0.2 mA. Maximum discharge current: 3mA. Maximum pulse discharge current: 15mA. Common battery in computers to keep the date and CMOS settings current when power is off.
CR2450   CR2450 (Lithium) 5029LC (Lithium) 610 (Lithium) 3 Coin + bottom/sides
- top
D 24.5mm
H 5.0mm
Portable devices requiring high current (30 mA) and long shelf life (up to 10 years)
D Goliath
Flashlight Battery
LR20 (alkaline)
R20 (carbon-zinc)
13A (alkaline)
13D (carbon-zinc)
19500 (alkaline)
8000 (carbon-zinc)
1.5 Cylinder + Nub cylinder end
- Flat opposite end
L 61.5mm
D 34.2mm
C2/SP2/HP2; Can be replaced with alkaline AA cell using plastic sabot (stub case)
J   4LR61 (alkaline) 1412A (alkaline) 625 (alkaline) 6 Square with
missing corner
Flat contacts
- top side
+ missing corner
H 48.5mm
L 35.6mm
W 9.18mm
 
Lantern (Spring) Lantern
6 Volt
Spring Top
4R25Y (alkaline)
4R25 (carbon-zinc)
908A (alkaline)
908D (carbon-zinc)
26000 (alkaline)
10500 (carbon-zinc)
6 Square Springs Top
- Corner
+ Center
H 115mm
L 68.2mm
W 68.2mm
Springs are usually made so that leads for screw top can be fastened to them. In most applications this is fine (see next).
Lantern (Screw) Lantern
6 Volt
Screw Top
4R25Y (alkaline)
4R25 (carbon-zinc)
915A (alkaline)
908 (carbon-zinc)
26000 (alkaline)
10500 (carbon-zinc)
6 Square Screw Posts Top
- Corner
+ Center
H 115mm
L 68.2mm
W 68.2mm
For uses that have high vibration/shock where the leads may be knocked off of springs.
Lantern (Big) 918
R25-2
Big Lantern
Double Lantern
4LR25-24 (alkaline)
4R25-2 (carbon-zinc)
8R25 (carbon-zinc)
918A (alkaline)
918D (carbon-zinc)
52000 (alkaline)
22000 (carbon-zinc)
6 Square Screw posts
Apart top
H 127mm
L 136.5mm
W 73mm
 
N Lady LR1 (alkaline) 910A (alkaline) 1000 (alkaline) 1.5 Cylinder + Nub cylinder end
- Flat opposite end
L 30.2mm
D 12mm
 
See Naming Notes below about SR/LR battery types
SR41 AG3
LR41
LR41 (alkaline)
SR41 (silver-oxide)
1135SO (silver-oxide)
1134SO (silver-oxide)
32 (alkaline)
42 (silver-oxide)
1.50 (alkaline)
1.55 (silver-oxide)
Button + bottom/sides
- top
D 7.9mm
H 3.6mm
 
SR43 AG12
LR43
LR43 (alkaline)
SR43 (silver-oxide)
1133SO (silver-oxide)
1132SO (silver-oxide)
80 (alkaline)
120 (silver-oxide)
1.50 (alkaline)
1.55 (silver-oxide)
Button + bottom/sides
- top
D 11.6mm
H 4.2mm
 
SR44 AG13
LR44
LR44 (alkaline)
SR44 (silver-oxide)
1166A (alkaline)
1107SO (silver-oxide)
1131SOP (silver-oxide)
150 (alkaline)
200 (silver-oxide)
1.50 (alkaline)
1.55 (silver-oxide)
Button + bottom/sides
- top
D 11.6mm
H 5.4mm
 
SR48 AG5 SR48 (silver-oxide) 1136SO (silver-oxide)
1137SO (silver-oxide)
70 (silver-oxide) 1.55 (silver-oxide) Button + bottom/sides
- top
D 7.9mm
H 5.4mm
 
SR54 AG10
LR54
LR54 (alkaline)
SR54 (silver-oxide)
1138SO (silver-oxide) 100 (alkaline)
85? (silver-oxide)
1.50 (alkaline)
1.55 (silver-oxide)
Button + bottom/sides
- top
D 11.6mm
H 3.1mm
 
SR60 AG1 SR60 (silver-oxide) 1175SO (silver-oxide) 20 (silver-oxide) 1.55 (silver-oxide) Button + bottom/sides
- top
D 6.8mm
H 2.15mm
 
SR66 AG4 SR66 (silver-oxide) 1176SO (silver-oxide) 26 (silver-oxide) 1.55 (silver-oxide) Button + bottom/sides
- top
D 6.8mm
H 2.6mm
 

[edit] Naming notes

  • SR# / LR# / AG# Button Cells: IEC SR series batteries are silver oxide chemistry and have 1.55 volts, while IEC LR series batteries are alkaline chemistry and have 1.5 volts. Since there are no 'common' names beyond the AG# designation, many places use these three terms interchangeably, and they will all fit and work. The only difference is that the SR series typically have twice the mAh as the LR series. In low-drain devices like watches (without lights) this isn't very important, but in high-drain devices like blinkies, key chain flashlights, or laser pointers the SR type is preferred. Typically SR and LR will be the same price unless one buys in wholesale volume so there is no reason not to get the SR version. Often the free 'demo' batteries that come with a device are the LR version.
  • IEC CR# series: Denotes lithium-manganese dioxide chemistry. Since LiMnO2 cells produce 3 volts there are usually no alternate chemistries for a CR# coin battery. Conversely one LiMnO2 cell can replace two alternate chemistry cells, in a 3, 6, 9, or 12 volt battery. CR cell numbers correlate with the cell dimensions, being the diameter in millimetres (except for the extra half millimetre in some cases) followed by the height in tenths of a millimetre.
  • Button / Coin / Miniature: In many places these are used interchangeably.

[edit] See also

[edit] External links

  • Energiser/Eveready Data Sheets
  • Radio Shack Useful for cross referencing common/IEC/ANSI and manufacturer numbers of batteries. NOTE: Sometimes there are small inaccuracies pertaining to button/coin cell battery names. These naming problems are industry wide.
  • Battery Force Also useful, Same note as for Radio Shack.
  • The Small Battery Company Some obscure button size equivalents.
  • The relevant US standard is ANSI C18.1 American National Standard for Dry Cells and Batteries-Specifications.

[edit] References

  • 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