4 LEDs indicates the power
Charging indication: LEDs turns on in the way increase by degree, and all of the LEDs will turn on when it is full charged
With 30s auto loading detective
Press the button with 3 seconds to display/shut battery cap,and open/shut down USB output,
Last LED will flicker when power is less then 5%
Battery type: Li-ion 18650 battery
Capacity: 2,600mAh
Input: micro USB 5V/1A (maximum)
Output: USB 5V/1A (maximum)
Dimension: 70 x 28 x 21mm
Fits for mobile phone, MP3/MP4 player, PSP, NDS, iPod, iPhone, iPad and more
Standard accessories: <uL>
1pc mirco USB connectors
1pc USB convertible cable </uL>
Optional accessories: 10pcs mobile phone connectors with 1 USB cable