Rechargeable Battery - replacement battery pack for the Xiaomi Roborock Sweep One S50 robotic vacuum cleaner, 5800mAh, 14.8V, powerful battery with new high-quality cells, 100% compatible with the original Robotrex battery, the battery is the same dimensions and functions like the original battery, can be used with the original charger, for the Xiaomi Roborock Sweep One S50