Specifications:

1.Capacity:7800mAh(18650*3)
2.Input: 5.0V-5.5V DC 1A
3.Output: 4.7V-5.5V DC 2.1A Max.
4.Case Material: plastic
5.Color:black,white
6.Weight: about 186g
7.Dimension: L97.5mm×W63mm×H23mm
8.Button: The output voltage and capacity checking indicated through the same button.
9.Indicator: 1)Click the button work on(off),4 blue LED to indicate the capacity(25%/50%/75%/100%); 2)the LED light flashing blue light when charging,when fully the lights stop flashing and all show blue; 3)the LED light show blue when discharge,lights off completely discharged;
10.Charge Tip: micro USB
11.Discharge Tip: dual USB
12.Protection: Over charge, over discharge, over voltage, short circuit protection.
13.Efficiency: The work efficiency ≥ 85%
14.SUPPLY emergency power to all mobile phones, IPOD,IPHONE,IPAD,MP3/MP4,PSP players ,camera ,etc portable items by changing  connectors.

Features:

*Wide compatible
*Convenient to use
*High efficiency of power conversion
*Electricity-Saving function
*Long cycle life
*Rapid charge