Lithium-Ion Battery, Custom Battery Pack, 48V Battery manufacturer / supplier in China, offering 8s 6ah 28.8V 170wh 18650 Li-ion Battery Robot Dog Battery Smart BMS with Can, Custom 72V Electric Motorcycle &Cargo Bike Batteries 21700 20s6p 30ah, 72V Electric Motorcycle &Cargo Bike Battery 21700 20s6p 30ah and so on.