* Battery type：A-grade polymer battery
* Capacity: 4000mAh @3.7V
* With overcharge, over discharge, over current, over temperature, short circuit protection mechanism
* Non-working state auto sleep,prevent loss of power
* Input: Micro USB 5V/1A
* Output1: USB 5V/1A                                                     
* Charging time: 3-4hours
* Size: L90 x W60 x H6mm
*  Unit weight：
70g                                                                                                                 
*Colour available：green/black/blue/orange/silvery                                                 
*Usable range:All kinds of mobile phone,PDA,PSP NDS,digital camera,MP3,MP4 player, bluetooth and more.