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CR2477 battery
CR2477: 3 V lithium coin cell, 24.5 mm × 7.7 mm, about 1,000 mAh (3.0 Wh). Same battery: CR2477N.
3 Vvoltage
24.5 mmdiameter, 0.96 in
7.7 mmthick, 0.303 in
≈ 1,000 mAhcapacity
CR2477: what to know
- It is the highest-capacity common coin cell, about four times a CR2032, and is often sold with solder tabs for sensors and meters.
CR2477 equivalents
CR2477N
Can I use another battery instead of a CR2477?
| Battery | Size | Volts | Works? | Why |
|---|---|---|---|---|
| CR2430 | 24.5 mm × 3 mm | 3 V | Short-term | 4.7 mm thinner: may sit loose; fine short-term. |
| CR2450 | 24.5 mm × 5 mm | 3 V | Short-term | 2.7 mm thinner: may sit loose; fine short-term. |
What uses a CR2477 battery?
- Long-life wireless sensors
- Utility meters and data loggers
- Some smart-home devices
Code: C = lithium, R = round, 24 = 24.5 mm wide, 77 = 7.7 mm thick. Same width: CR2430, CR2450.
24.5 mm coin cells are the size children swallow most; one can burn the throat in two hours. Keep spares sealed and battery doors taped.