CR2032
The standard 3 V lithium coin cell. The digits encode the size: 20 mm across, 3.2 mm thick.
- Voltage
- 3 V
- Chemistry
- Lithium
- Size
- 20 × 3.2 mm
- Capacity
- 210–240 mAh
Specifications
| Type | Coin Cell |
|---|---|
| Chemistry | Lithium |
| Nominal voltage | 3 V |
| Diameter | 20 mm |
| Height | 3.2 mm |
| Typical capacity | 210–240 mAh |
| Rechargeable | No |
| Also sold as | DL2032, BR2032, ECR2032 |
Equivalent batteries
These codes describe the same physical cell as the CR2032.
Can I replace CR2032 with…
Cells that fit the same space but differ in chemistry or voltage.
Check before you swap. Batteries with similar dimensions are not always interchangeable with the CR2032. Always verify voltage, chemistry and the requirements printed in your device manual before fitting a replacement.
CR2032 questions
What batteries are equivalent to the CR2032?
The CR2032 is sold as DL2032, BR2032, ECR2032. All of these describe the same 20 × 3.2 mm lithium cell at 3 V.
Can I use a CR2025 instead of a CR2032?
In many low-drain devices, yes — the sizes match. Check the voltage and chemistry against your device's requirement first, because a small voltage difference can matter in calibrated equipment.
How long does a CR2032 last?
A CR2032 holds a typical 210–240 mAh. Real runtime depends entirely on how much current your device draws and whether it is used continuously.
Is the CR2032 rechargeable?
No. The CR2032 is a single-use cell and should not be recharged.
Related batteries
Other coin cells in the index.