Power bank by Opso 7800mAhPower Bank Compatible with devices with usb connecterUnique fast charge and discharge solution.Built-in microcomputer automatic protection chips against over – temperature, over –current,Over – voltage, short- circuit etc.You can charge the portable power supply and the

Power bank by Opso 7800mAhPower Bank Compatible with devices with usb connecterUnique fast charge and discharge solution.Built-in microcomputer automatic protection chips against over – temperature, over –current,Over – voltage, short- circuit etc.You can charge the portable power supply and the phone simultaneously.LED power indicator