Note For Your Choosing Power Bank
Power Bank's Rated 5V
Recommend you use a regular 5V power supply or power bank, ensure the USB and power connection port is over 2.0 A.
Check your USB cable is plugged into your power bank which does not make a tight connection, which will cause overheat or out of power.
(The portable charger battery/power bank no included, need to be bought separately).
NOTE:Remove the battery if NOT IN USE!