Tool
Compare two batteries
Two codes in, one verdict out: diameter, height, voltage and chemistry from the cited sheets, drawn over each other at one scale.
Common questions
- LR44 vs SR44
- CR2032 vs CR2025
- CR2032 vs CR2016
- CR2032 vs BR2032
- 377 vs 376
- 357 vs 303
- LR44 vs 675
- CR2450 vs CR2032
- A23 vs A27
- 364 vs 363
- CR1620 vs CR1632
- 312 vs 13
How the verdict is decided
The rules run in this order and stop at the first that applies. Two codes printed for the same cell: safe swap. A dimension or the voltage not stated: no verdict. Coin against cylinder or pack: do not swap. Diameter or height more than 0.15 mm apart: do not swap, unless the cited charts list the two as the same outline. Zinc-air against anything else: do not swap outside a hearing aid. Nominal voltage more than 0.2 V apart: do not swap. Same size and voltage, different chemistry (alkaline and silver oxide, CR and BR) or a different drain class: fits, read the note. Everything matching: safe swap.
The rules lean towards "do not swap". They cannot see your device. When the device or the old cell names a code, that code wins.