RichRipple Fast Charging 20000mAh Power Charging Bank Mirror Black

2A Fast Charging 20000mAh Power Charging Bank Dual USB Universal Portable Mirror Black Power Charging Bank Suitable for Android iPhone with Usb Light as Gift

Package Details：1 x 20000mAh power charging bank with retail box1 x Charging Cable1 X Use Manual1X Usb Light
Specifications :Capacity : 20000mAh/3.7V,111WhOutput : 5V 2.1AInput : 5V/2.1ASize: 18*10*3cmColor: Mirror Black
How to use our RichRipple power charging bank and flashlight: press the switch twice or long press the switch to turn it on, and press the switch once or twice to turn it off. 
Notice : The first time you receive a power charging bank, it is virtual power showing. Please fully charge the power charging bank to 100%, and then use the power charging bank to the shutdown state (don't charge the power charging bank during this cycle, regardless of the number of using) until it reaches 0% blink and shut down, and then recharge the power charging bank to 100% again. Follow the above steps to use it more than 3 times. At this time, the digital display is the most accurate! The above is the process of power charging bank intelligent learning power storage.