... same time .And also can charge for other device with usb cable . Features:· Li-Polymer battery pack with high safety ... equilibrium PCBA protection ensure longer device life· Wider range of output voltages for different electronics· Support charging and discharging in the ... lifeCharge Cycle ≥ 500 timesIn the BoxColorful box, Power bank ,USB cable, Charger, User ManualThis power bank can be made two ...