Product details of Power Bank Pavo 20000 mAh
Compatible for USB charging devices
Using the original A+ cells to make t safe with tiny internal resistance, lightweight.
Protects 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.