Coin Cell batteries

Coin cells are flat lithium cells running at 3 V. The four-digit code encodes the size directly: CR2032 is 20 mm across and 3.2 mm thick.

All coin cells

Common sizes

CR2032 CR2025 CR2016 CR2450 CR2430

Popular equivalents

DL2032Direct

Same cell, different code

BR2032Direct

Same cell, different code

ECR2032Direct

Same cell, different code

DL2025Direct

Same cell, different code

BR2025Direct

Same cell, different code

DL2016Direct

Same cell, different code

BR2016Direct

Same cell, different code

DL2450Direct

Same cell, different code

Common coin cell comparisons

CR2032 vs CR2025CR2032 lasts longer; CR2025 fits tighter holders CR2032 vs CR2016CR2032 unless the holder is genuinely too shallow CR2025 vs CR2016CR2025 where it fits, CR2016 only where it must CR2430 vs CR2450CR2450 for runtime, CR2430 where the holder is shallow CR2032 vs CR2450Not interchangeable — the CR2450 is a size class up CR2032 vs CR2430No — near-identical thickness, wrong diameter CR2025 vs CR2450Not interchangeable — different size class entirely