General description vhbw offers a high-quality, compatible battery designed for use in various vacuum cleaning robots, household robots, and home cleaners. This battery features a high capacity and can be charged with your standard charger or a compatible charger. It is engineered to fulfill all operational safety guidelines. Technical specifications Battery type: Li-Ion Capacity: 5200 mAh Voltage: 14.4 V Energy: 74.88 Wh Number of cells: 8 Weight: 387 g Compatibility and accessories Compatible with Xiaomi Roborock 1C, E4 E452-00 RSD0122CE, E4 E402-00, E5 E502-00 Replacement for: 400-900-1755 Ruby_S, BJSTS0002-2016, BRR-1P4S-2600S, BRR2P4S-5200D, BRR-2P4S-5200S, STYTJ01ZHM, STYTJ02ZHM