Comparison

CR123 vs CR123A

CR123 and CR123A are names for the same 3V lithium cell family — check your device page for the exact code named.

At a glance

Question	Answer
Same battery?	Yes — these are labels for the same cell
Same dimensions?	Yes
Same chemistry?	Yes
Same voltage?	3 V
Direct substitute?	Yes when the device names any of these labels

Label	Resolves to	Type	Size
CR123A	CR123A	3V lithium cell	17 × 34.5 mm
CR123	CR123A · pack / trade label	3V lithium cell	17 × 34.5 mm

9 devices list CR123A.

Same battery, pack labels, or same size with a different type — not a generic “compatible with” list.

From CR123A

Same battery

Same battery, different label.

Search Amazon for packs of this battery code.

Buy links go to Amazon (Associates where tagged) or other affiliate programmes when available. They never change the battery answer.