48v 54.6v 13 string BMS 30A discharge Balance IC Protection Board PCB DIY 3.7v 18650 21700 26650 13s Lithium Battery pack
USD 13.91USD 15.99
48v 54.6v 13 string BMS 30A discharge Balance IC Protection Board PCB DIY 3.7v 18650 21700 26650 13s Lithium Battery pack