14.4v 6500mAh Vacuum Cleaner Replacement Battery for Xiaomi Robot Roborock S50 S51 S55 Accessory Spare Parts
Amazon.com - Xiaomi Mi Robot Vacuum-Mop 2 Ultra, 4,000 Pa Powerful Suction, 3D Obstacle Avoidance Technology, All-New LDS Laser Navigation, 5,200 mAh Battery, Black -