Battery type: Li-Ion - no memory-effect Capacity: 700 mAh Voltage: 14.8 V Energy: 10.36 Wh Number of cells: 4 Weight: 84 g Dimensions (length x width x height): 5.4 x 2.9 x 2.9 cm Short-circuit, overcharge and overheating protected Compatible with the following device models: Ecovacs Winbot W930 Ecovacs Winbot W850 Ecovacs Winbot W950 Ecovacs Winbot W830 Ecovacs Winbot W880 Ecovacs Winbot W920 Ecovacs Winbot W835 Ecovacs Winbot W836 Ecovacs Winbot 880 To ensure compatibility, please check to see whether the battery you are currently using is listed below.