Great Power Bank

GREAT TIME POWER BANK Premium Quality 

FEATURES
Compatible for all USB charging devices.
Using the original A+ cells to makeit safe with tiny internal resistance, lightweight,
long liftspan of more than 500 times, which will get your device power free any time.
With the MCU protection IC system to protect your device when charging or discharging.
Self protection for over current, over voltage, short circuit etc. and self circuit recovery.
Constant voltage and current, which make the charging more stable and there is no
bubble charging for your device.
* It will be automatically slept without charging to save the power anytime.