This BMS 13S 50A is designed for 3.7V ternary, lithium cobaltate, and lithium manganese oxide batteries. It features over-discharge, over-charge, and over-current protection, as well as short circuit and over-temperature protection. The board is suitable for electric cars, twist cars, electric bicycles, scooters, and inverters. Package includes BMS 13S 48V 50A 18650 Li-ion Lithium Battery Pack Protection Equalizer Board.