1 4S LiFePo4 JBD SMRAT BMS(Built-in Bluetooth). 4S LiFePo4 JBD SMRAT BMS(Built-in Bluetooth). Smart BMS 16S 48V 250A LiFePO4 Battery Common Port w/ Balance + Bluetooth Module. Smart BMS 16S 48V 30A-100A LiFePO4 Battery Common Port with Balance Bluetooth.
