Product Name: Hailong Style 48V 13ah Lithium Ion Battery with USD Port for Phone Model NO.: NC-HL Usage: Electric Bike Standard Voltage: 48V Rated Capacity: 13ah Accessories Type: Battery Size: Medium Discharge Rate: High Discharge Rate Rechargeable: Chargeable Connection Mode: Series and Parallel Type: Lithium-Ion Battery Pack Nominal Voltage: 48V Rated Capicaty: 13ah Cycle Life: 1000cycle Motor Max: 1000W Certificates: Ce Battery Material: Samsung 26h Cell Max Charge Voltage: 54.6V Max Charge Current: 4A Charger Temperature: 0-45