CR123A Battery Equivalent

CR123A battery
CR123A

Direct replacements

DL123A, EL123A, K123A, and CR17345 are all direct replacements for CR123A.

Voltage
3V
Chemistry
Lithium
Dimensions
34.5mm long × 17mm diameter
Common uses
Arlo cameras, torches, tactical lights, some smoke alarms, photography equipment

All CR123A equivalents

Battery codeCompatible?
DL123AYes — direct replacement
EL123AYes — direct replacement
K123AYes — direct replacement
CR17345Yes — direct replacement
16340Yes — direct replacement

Silver oxide vs alkaline

CR123A is a lithium battery. 16340 rechargeable lithium-ion cells are the same size but check voltage compatibility before using.

Important: CR123A is a 3V lithium battery. Do not confuse with CR2 which is a different size. Always check polarity when inserting.

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