CR2032 Battery Size and Voltage
CR2032 = 20.0 mm diameter x 3.2 mm height, 3.0 V lithium coin cell. ~220 mAh; ANSI 5004LC.
Open the interactive Standards & Sizes tool →Key facts
| Diameter x height | 20.0 x 3.2 mm |
|---|---|
| Voltage | 3.0 V |
| Chemistry | Lithium (MnO₂) |
| Capacity | ≈ 220 mAh |
| Typical use | PC motherboards, car keys, watches |
Frequently asked questions
What does CR2032 mean?
In CR2032, '20' = 20 mm diameter and '32' = 3.2 mm height; it is a 3.0 V lithium coin cell.
Can I replace CR2032 with CR2025?
They share 20 mm diameter but CR2025 is thinner (2.5 mm) with lower capacity (~165 mAh); fit may be loose.
Related pages
CR2032 Battery Size is part of Standards & Sizes on GOAT Lab — a free reference you can use without signing up, and it works offline. Open the tool above for any custom value.
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