How do I recognize sizes of batteries? And what abbreviations are there?

Answer

Different battery sizes have a specific name and may also have a unique code. The battery names are the same in all countries across the world (although many other terms are used frequently). However, the battery codes show great differences. For example, there are international IEC and American codes for different battery sizes.

In addition, manufacturer of specific batteries often use their own codes for the produced products. Therefore, it is difficult to recognize certain codes on battery packages. The IEC code is the most common of all. The battery types can be identified by the different letters in the IEC code. For example, alkaline batteries are called LR and zinc-carbon batteries have the letter R as first letter in the IEC code.

IEC-
code
US-
code
Name
Popular terms
Dimensions(mm)
(diamtr x height)*
LR1
N
Lady
 
 
(L)R03
AAA
Micro
small penlite, pencil cell
10,5x44,5
(L)R6
AA
Mignon
Penlite
14,5x50,5
(L)R14
C
Baby
English bar, small bar
26,2x50
(L)R20
D
Mono
Big bar
34,5x61,5
R25
   
Block battery
 
6(L)R61
E
9 Volt
E-block
26,5x17,5x48
3(L)R12
 
Normal
Flat 4,5 Volt battery
26x22x67

* Tolerance differences may exist.

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