Specifications:
Battery type: Rechargable A+ 18650 Li-on battery
Recycle lifetime: 500+ times
Capacity: 7800mAh/3.7V
Input: USB 5V/2A
Output: USB 5V/2.1A
Weight: 180g
Size: 99.8mm*63.7mm*21.6mm
Input interface: Micro USB
Output interface: USB

Features:
Beautiful color and portable to carry
Intelligent power management system，easy to use and save battery
5V/2.1A USB output，can use to charge Laptop，mobile phones and tablets with high speed
High quality A+ 18650 li-ion battery cell，safe and efficency
7800mAh capacity，can charge mobiles 2-5 times，charge tablet about 1~2 times
Compatible With almost all brands of mobile phones，tablets，MP3/MP4，and so on

Package contents:
1*Power Bank
1*Micro USB Cable

More details: