["BMS 13S 48V 50A 18650 Li-ion Lithium Battery Pack for Protection Equalizer Board PCB Balance Circuit Board for Electric Vehicles\n\nbrand new and high quality.\nApplication: electric car, twist car, electrician bicycle, scooter, inverter and so on\nSize: 70mm/2.76\"×56mm/2.20\"\n1: For 3.7V ternary, lithium cobaltate, lithium manganese oxide battery\n2: Suitable power and voltage: 48V, less than 2500W\n3: Over charge for protection\n4: Over discharge for protection\n5: Over current for protection\n6: Output short circuit for protection\n7: Over temperature for protection (discharge max temperature 75 degree ,charge min temperature -7 degree)\n8: Working current: 50A (max)\n9: Continuous working current: 40A (max)\n10: Over-discharge protect voltage: 2.6V\n11: Over-charge protect voltage: 4.25V\n12: Charge current: 40A \n13: Balance charge voltage: 4.2V\n\nNote:\nTransition: 1cm=10mm=0.39inch\nPlease allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.\nDue to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\n\nPackage Includes:\n1 × Li-ion Lithium Battery Charge Board"]