General description High-quality replacement battery compatible with Apple MWWP2LLA for the Watch Series 5 40mm Smartwatch and fitness bracelet. Includes necessary tools for installation. All batteries and cells meet operational safety guidelines. Technical specifications Battery type: Li-polymer Capacity: 245 mAh Voltage: 3.85 V Energy: 0.94 Wh Number of cells: 1 Compatibility and accessories Compatible with Apple MWWP2LLA and Apple Watch Series 5 40mm. Includes a tool set with: 2 suction cups, 2 sticky pads, 1 plectrum, 1 SIM card tray opener, 3 plastic holders/levers, 1 tweezers, T3, T4, T5, T6, Pentalobe TS1, Pentalobe TS4, and cross-head screwdrivers, and 1 split handle screwdriver.