Portable Built-in 8800mAH lithium batterypack with a standard USB port, can be used as a normal power bank as well. DC5V/7.5V/9V/12V selectable With USB port Output Interface: Micro USB, USB/DC Input Voltage: 100V - 240V AC Small DC equipment, network peripherals such as: Modem, routers etc. Constant DC output, long backup time, smart chip control, zero transition. Over-discharging, Over-charging Protection, Quick Charge Support
