BMS 13S 48V 50A 18650 Li-ion Lithium Battery Protection Equalizer Board PCB Balance Circuit Board for Electric Vehicles OOTDTY . Application: electric car, twistcar, electric bicycle, scooter, inverter and so onSize: 70mm/2.76"× 56mm/2.20"1: for ternary 3.7V, cobalt lithium, lithium manganese battery2: suitable power and voltage: 48V, less than 2500W3: over-charge protection4: over-discharge protection5: over-current protection6: output short circuit protection7: over-temperature protection (maximum discharge temperature 75 degrees, minimum temperature charging-7 degrees)8: working current: 50A (max)9: continuous working current: 40A (max)10: over-discharge protection voltage: 2.6V11: overcharge protection voltage: 4.25V12: charging current: 40A13: balance charging voltage: 4.2V Note:Transition: 1cm=10mm=0.39 inchPlease allow 0-1cm error due to manual measurement. Pls make sure you don't mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Included:1 × Lithium Ion Lithium Battery Charging Board