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Batteries – dry & alkaline international equivalents

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This is a list of commonly found batteries, their equivalents, physical dimensions in millimetres, nominal open-circuit voltage and their mass in grams. Please note that battery voltage and capacity depends on formulation. In the IEC battery designation system, the first letter of the battery code defines the formulation. Please see Battery formulation – IEC codes for more information. This letter is denoted by the * character in this table.

IEC Code
US Code
UK Code
Japanese Code
Height (mm)
Width (mm)
Diameter | Depth (mm)
Voltage (volts)
Capacity (mAH)
Mass (grams)
*R1
N
 
UM5
30
 
12
1.5
 
 
*R8D425
AAAA
 
 
 
 
 
1.5
 
 
*R3
AAA
HP16
UM4
44.5
 
10
1.5
 
 
*R6
AA
HP7
UM3
50.5
 
14.5
1.5
 
 
*R12
C
HP11
UM2
50
 
26.2
1.5
 
 
*R20
D
HP2
UM1
61.5
 
34.2
1.5
 
 
6*F22
 
PP3
 
48.5
26.5
17.5
9
 
 
6*F50
 
PP6
 
 
 
 
9
 
 
 
 
PP7
 
62.2
46
46
9
 
 
6*F100
 
PP9
 
81
66
52
9
 
 
2*R10
 
No 8
 
74.6
 
21.8
3
1120
42.5
3*R12
 
312G
 
67
62
22
4.5
2300
113
3*R20
 
126
 
92
103
35
4.5
5760
369
4*R25-2
918A
918S
 
127
137
73
6
15000
1080
4*R25
Lantern (spring terminal)
996 or 908
 
110
67
67
6
 
600
4*R25
Lantern (screw terminal)
HP992
 
110
67
67
6
 
600
 
 
11A
 
16
 
10
6
33
4
4*R44
 
476A
 
25
 
13
6
105
10
 
 
27A
 
28
 
7.7
12
18
4.4
 
 
23A
 
28
 
10
12
33
7.5
 
BLR154
504
 
35
 
14.3
15
40
13.2
 
BLR121
BLR121
 
37
27
16
15
40
16.1
 
BLR122
412
 
51
27
16
22.5
40
23.6
CR17345
 
 
CR-123A
34.2
 
17
3
1300
16
CR-P2
 
 
CR-P2
36
34
19.5
6
1300
37
2CR5
 
 
2CR5
45
34
17
6
1300
37
4LR61
 
 
4LR61
48.3
35.6
9
6
1300
37

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