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CR2012 battery
CR2012: 3 V lithium coin cell, 20 mm × 1.2 mm, about 55 mAh (165 mWh). Same battery: DL2012.
3 Vvoltage
20 mmdiameter, 0.79 in
1.2 mmthick, 0.047 in
≈ 55 mAhcapacity
CR2012: what to know
- The thinnest 20 mm coin at 1.2 mm, holding about a quarter of a CR2032's energy.
CR2012 equivalents
DL2012
Can I use another battery instead of a CR2012?
| Battery | Size | Volts | Works? | Why |
|---|---|---|---|---|
| CR2016 | 20 mm × 1.6 mm | 3 V | No | 0.4 mm thicker: will not fit. |
| CR2025 | 20 mm × 2.5 mm | 3 V | No | 1.3 mm thicker: will not fit. |
| CR2032 | 20 mm × 3.2 mm | 3 V | No | 2 mm thicker: will not fit. |
| LIR2032 | 20 mm × 3.2 mm | 3.7 V | No | Rechargeable 3.7 V cell (4.2 V when full): can damage a 3 V device. |
What uses a CR2012 battery?
- Thin watches
- Small calculators
Code: C = lithium, R = round, 20 = 20 mm wide, 12 = 1.2 mm thick. Same width: CR2016, CR2025, CR2032, LIR2032.
20 mm coin cells are the size children swallow most; one can burn the throat in two hours. Keep spares sealed and battery doors taped.