General description vhbw offers a high-quality, compatible battery designed specifically for the Apple Watch Series 5 40mm and MWWP2LLA Smartwatch. This battery features a high capacity, ensuring reliable performance for your smartwatch and fitness bracelet. It can be charged using your standard charger or a compatible charger, making it convenient for everyday use. Technical specifications Battery type: Li-polymer Capacity: 240 mAh Voltage: 3.82 V Energy: 0.92 Wh Number of cells: 1 Weight: 4 g Compatibility and accessories Compatible with Apple Watch Series 5 40mm Model: MWWP2LLA Other information Replacement for A2277 Our batteries and cells fulfill all operational safety guidelines.