Replace a 309 mAh battery compatible with Apple Watch 45 mm Series 7 Models A2474, A2477, and A2478. 1.189 Watt Hours (Wh). 3.85 Volts (V). Battery model A2552. Installation adhesive included.
Replace a 284 mAh battery compatible with Apple Watch 41 mm Series 7 Models A2475, A2476, and A2473. 1.094 Watt Hours (Wh). 3.83 Volts (V). Battery model A2663. Installation adhesive included.