Enter your values:
Battery type:
Custom
1⁄2AA
AAAA (alkaline)
AAA (alkaline)
AAA (carbon–zinc)
AAA (NiMH)
AAA (NiZn)
AA (alkaline)
AA (carbon–zinc)
AA (Li–FeS2)
AA (NiMH)
AA (NiCd)
AA (NiZn)
B (alkaline)
C (alkaline)
C (carbon–zinc)
D (alkaline)
D (carbon–zinc)
F (alkaline)
F (carbon–zinc)
A23 (alkaline)
A27 (alkaline)
4SR44 (alkaline)
4.5-volt (alkaline)
4.5-volt (carbon-zinc)
9-volt or E (alkaline)
9-volt or E (carbon-zinc)
9-volt or E (lithium)
J (alkaline)
CR123A (lithium)
CR123A (Li–ion rechargeable)
CR2 (lithium)
CR2 (Li–ion types)
2CR5
CR-P2
CR927, CR1025
CR1130
CR1216
CR1220
CR1225
CR1632 (CR)
CR1632 (BR)
CR2012
CR2016
CR2025
CR2032 (CR)
CR2032 (BR)
CR2040
CR2330 (CR)
CR2330 (BR)
BR2335 (BR)
CR2354
CR2412
CR2477
CR11108
10180
10280
10440
14250
14430
14500
14650
15270
16340
16650
RCR123A
17500
17670
18350
18490
18500
18650
19670
21700
25500
26650
32600
32650
75400
(optional)
Capacity Rating of Battery:
MilliAmp Hours
Current:
MilliAmps
Battery Life:
Hours
Battery Life Formula
mAh ÷ mA * 0.7 = estimated hours
The factor of 0.7 makes allowances for external factors which can affect battery life.
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