General description vhbw offers a high-quality, compatible battery designed for use in your vacuum cleaning robot, household robot, or home cleaner. This battery features a high capacity and can be charged with your standard charger or a compatible charger. It is specifically compatible with the Xiaomi Empty Wash Fill Dock for S8 Max Ultra. Technical specifications Battery type: Li-Ion Capacity: 5000 mAh Voltage: 14.4 V Energy: 72 Wh Number of cells: 4 Weight: 411 g Compatibility and accessories Compatible with Xiaomi Empty Wash Fill Dock for S8 Max Ultra Replacement for models: 400-900-1755 Ruby_S, BJSTS0002-2016, BRR-1P4S-2600S, BRR2P4S-5200D, BRR-2P4S-5200S, STYTJ01ZHM, STYTJ02ZHM Other information For a fresh fragrance while cleaning, fragrance cartridges are available in our other offers. Our batteries and cells fulfill all operational safety guidelines.