... 3. Capacity: 7200mAh 4. Use: universal battery charger Portable power bank/battery charger - Stay with your devices powerful always 1 ... lithium-polymer 3. CE, ROHS, FCC Power bank, portable power bank, mobile power bank, universal portable power bank, power bank 7200mAh, battery charger, universal charger ... How to work or Note?Connect the output of power line with charger, and connect the other end of ...