Description:?? Voltage: 48 Volt?? Capacity (amp hours) : 20Ah?? Continuous Discharge Current : 35Amp?? Peak Discharge Current : 100Amp?? Charge : 54.6V 2A Standard Charger?? Fit ebike: For all 48V? 1500Watt motor?? BMS : 13S 35Amp?? Cell Type : A+++++?? Cell Combination : 13 Series and 7 Parallel (13s7p)?? Size (L x W x H): 27013870mm/10.65.52.8inch?? Built in Automatic Battery Protection System Internal?? Automatic Low Voltage Disconnect : 35V+/1V?? Automatic Short Circuit Protection Instant?? Automatic Over Voltage Protection : 54.6V+/1V?? Package List: 1 x 48V 20Ah ebike Battery ;1 x 13s 35Amp BMS; 1 x Discharging Connector;1 x 54.6V 2A Charger.