Battery Cell: Lithium polymer
the case: Aluminium-alloy & Acrylic
Capacity: 6600mAh
Input: DC5.0V-1A
Output: DC5.3V-1A
Size:75 x 75 x 23mm
Weight: 200g   
Color: black, silver
Other: can customize Logo
Package Dimension: 154mm x 98mm x 56mm
Weight: 415g per set
Carton Dimension: 508mm x 333mm x 303mm 50pcs       
Gross Weight:21.5kg
Product Features:
1. External battery for iPhone*, iPod*,Ipad, Mobile Phones and other digital products
2. Small, convenient, easy to use, high capacity.
3. Use USB cable to charge from electricity or computer
4. 2 digits figure power indicators