The A2181 Apple battery is a replacement battery for the Apple Watch Series 5 44 mm. It has a capacity of 292 mAh, a voltage of 3.81 V, and Li-Ion technology.
- Type: Replacement battery
- Compatibility: Apple Watch Series 5 (44 mm)
- Capacity: 292 mAh
- Voltage: 3.81 V
- Technology: Li-Ion