Which coin cell fits?

CoinCellChart answers it from the source: battery makers’ datasheets for sizes and equivalents, carmakers’ owner’s manuals for key fobs. Every value links to where it came from and when we checked it, and where sources disagree you see both.

Button and coin cell equivalents

10 cells, sizes and codes from battery makers’ datasheets.

Equivalent chart

All cells on one page, grouped by chemistry

LR44 equivalent

LR44, A76, 1166A and the silver-oxide 357 / 303 (SR44)

LR1130 equivalent

The 11.6 × 3.05 mm cells: Energizer 189 (LR54) and 389 / 390 (SR1130)

SR626SW equivalent

377 and 376, what the makers list for each

SR621SW equivalent

364 and its cross-references

CR2032 vs CR2025 vs CR2016

Same diameter, three thicknesses

CR2025 or CR2032 in a key fob?

Which owner’s manuals name which cell

Key fob batteries

35 key and model-year rows for 3 makes, from owner’s manuals and Panasonic’s key fob finder.

All makes

Which cell each key takes, by make, model and year

Ford

Key fob battery by model

Nissan

Key fob battery by model

Subaru

Key fob battery by model