Features:

1, 4 LEDs indicates the power,
2, Charging indication: Current LED flicker, and all of the LEDs will turn on when it is full charged.
3, Press the button to display battery cap, and open USB output. Press the button with 3S to active the LED light. With auto loading detective, output will be shutdown after 90S if no loading.
4, Multiple Safety protection;

Specifications:

1. Battery Type: Li-ion 26650 battery,
2. Capacity: 20Ah/20Wh,
3. Input: Micro USB: 5V/2A(Max),
4. Output: USB1: 5V/2.1A(Max);
USB2: 5V/1A(Max);
5. Dimension: 130*77.8*32.0mm,
6. Weight: 458.0g
7. LED power: 0.3W;