JBD Smart Bms Lifepo4 BMS 4S Lithium Battery Balance Board 20A 30A 35A Same Port
(2)UART or RS485- JBD PC Tool Box. Size:80 60 12mm(20A)/80 60 20mm(30A 35A). (3) All smart bms has BT and UART function. Continuous Current 20-35A/Balance Current:20-60mA. Applicable Battery Type:3.6VLi-ion/3.2VLiFePo4 Battery.