General description vhbw offers a high-quality, compatible battery designed for use in your Xiaomi Mijia ROBOROCK S50 and S51 home cleaners. This battery features a high capacity, ensuring efficient operation of your cleaning robot. It can be charged with your standard charger or a compatible charger, making it convenient for everyday use. Technical specifications Battery type: Li-Ion Capacity: 3600 mAh Voltage: 14.4 V Energy: 51.84 Wh Number of cells: 4 Weight: 399 g Compatibility and accessories Compatible with: Xiaomi Mijia ROBOROCK S50, ROBOROCK S51 Replacement for: 400-900-1755, Ruby_S, BJSTS0002-2016, BRR-1P4S-2600S, BRR2P4S-5200D, BRR-2P4S-5200S, STYTJ01ZHM, STYTJ02ZHM