Specialized in all kinds of lithium battery pack customized, from 3.7v to 72v, widely used in  lighting, portable device, power tool, model airplane, solar energy, sprayers, electric toys, electric cars, bluetooth speakers, robot, fasica gun, cordless hair dryer, small fans and more consumer electronics, medium energy storage, medical equipment,electric wheelchair, electric fish boat, scooter, electric balance scooter, roomba, electric drill, mower, searchinglight, solar light, eletric bike, golf cart, building climbing machine, fishing kayak, RV, medical emergency power supply,inverter power supply, forklift truck,etc.