Battery Output? 48V 15AH Jumbo Shark Design ebike battery, A-grade 3000mah battery cells, battery size: 36890110mm, suitable for 1000w 750w 500w 450w 350w 250w electric bike motors, 54.6V 2A DC charger. Max constant discharge current is 30A. Dischage Port:Anderson Connector. BMS Protection Board? High quality imported electric cell and equipped with a 30A BM S protective plate, prevent over charge, over discharge, over current and short circuit and ensure the long life expectancy. Performance? Black hard plastic shell effectively protects the battery and LED battery level light can inform you of charging in time. Technology Skill? Comes with a DC charger, when charging, please open the switch and charge for at least 8.5 hours, when the red light of charger turns green, it means fully charged. Nominal Voltage (V) : 48v. Nominal Capacity (AH) :15Ah. Cell Type :A-Grade (3000mah) cells. Cell Combination :13s5p (65pcs). Battery Energy (Wh) :720Wh. Fit for Motor Power :48V 50W-1000W. Charge Temperature Range : -20? ~60? Charge Temperature Range : 0? ~45? Battery Weight(kg) : 4.5KG. Continuous Discharge Current (A) :30A. Instantaneous Maximum Discharge Current (A) : 70A. Discharge Cutoff Voltage (V) :36v. Charge Cutoff Voltage (V) :39v. Charger : 54.6V 2A. Charge Time under Standard Charge Current :7.5h. 1 x 48V 15ah Lithium Battery & 30A BMS. 1 x 54.6V 2A Charger With AC plug.