This is the LEFEET Extra Battery for the S1/S1 Pro Water Scooter. Features: Charging Voltage25.2 V Charging Current3A Rated Capacity4400 mAh Rated Energy97.68 Wh Charging Temperature 50AdegF ~ 113AdegF Charging Time2.5 h Net Weigh1.68 0.044 lb N.W.:0.77kg G.W.:0.83kg Looking for the Scooter see ACC1991 SINGLE or ACC1992 DUALCheck out the rest of the LEFEET Scooter Collection