We Provide Lithium polymer battery for digital application(for example, bluetooth device, medical device, MP4,PDA,GPS,Mobile phone etc, also may customize for customer), LiFePO4 battery for EV/Ebike/E-scooter/backup power system. We also provide High quality charger, BMS, PCM for our customer.If you have any question for battery and battery application, kindly pls contact us. Email: sales#chinafreepower.com