Daly 4S 12V/8S 24V/16S 48V 100A-250A LiFePo4 Akku Smart BMS & Bluetooth Module. JK 4S-24S 40A-300A Li-ion LiFePo4 Akku Smart BMS w/Active Balancer BT/RS485/LCD. 3S 4S 6S 7S 8S 10S 16S 17S Li-ion LiFePo4 Akku Equalizer 1.2A Active Balancer.
eBay