Daly BMS 14S 48V 40A-60A Li-ion Battery Protection Board with Balance+NTC. DALY BMS 13S 48V 15A-60A Li-ion Battery Protection Board With Balance+NTC. JK BMS 4S-24S 60A-200A Li-ion LiFePo4 Smart BMS w/ Active Balancer BT/RS485/LCD.
eBay