13s BD4A20S4P BD4A24S4P Balance 72V 17s JK BD4A17S4P Active 40AH Li-Ion 20s Jikong 0.4a 8s 40a 40 24s AH RS485 Lifepo4 BMS Smart 13s BD4A20S4P BD4A24S4P Balance 72V 17s JK BD4A17S4P Active 40AH Li-Ion 20s Jikong 0.4a 8s 40a 40 24s AH RS485 Lifepo4 BMS Smart 13s BD4A20S4P BD4A24S4P Balance 72V 17s JK BD4A17S4P Active 40AH Li-Ion 20s Jikong 0.4a 8s 40a 40 24s AH RS485 Lifepo4 BMS Smart 13s BD4A20S4P BD4A24S4P Balance 72V 17s JK BD4A17S4P Active 40AH Li-Ion 20s Jikong 0.4a 8s 40a 40 24s AH RS485 Lifepo4 BMS Smart 13s BD4A20S4P BD4A24S4P Balance 72V 17s JK BD4A17S4P Active 40AH Li-Ion 20s Jikong 0.4a 8s 40a 40 24s AH RS485 Lifepo4 BMS Smart 13s BD4A20S4P BD4A24S4P Balance 72V 17s JK BD4A17S4P Active 40AH Li-Ion 20s Jikong 0.4a 8s 40a 40 24s AH RS485 Lifepo4 BMS Smart 13s BD4A20S4P BD4A24S4P Balance 72V 17s JK BD4A17S4P Active 40AH Li-Ion 20s Jikong 0.4a 8s 40a 40 24s AH RS485 Lifepo4 BMS Smart 13s BD4A20S4P BD4A24S4P Balance 72V 17s JK BD4A17S4P Active 40AH Li-Ion 20s Jikong 0.4a 8s 40a 40 24s AH RS485 Lifepo4 BMS Smart