We have a series products for it,include 4000mah/5000mah  ones.
Specification:
1.Material:ABS+PC
2.Battery type:Li-polymer 26650 
3.Input: DC5V-1.5A  
4.Output: DC5V-2.1A  
5.Dimension:16*9.5*4cm  
6.Weight:137g  
7.Color:whhite  red black green 
8.Feature:  Private mold smart power bank
 
Feature:
* Private mold smart power bank
* Keep talking and playing longer  
* Elegant and executive designed make it looks fashionable and smart  
* Flexible recharging of power pack via notebook USB port or wall adapter with USB charging cable  
* Automatic recover function for your battery capacity of mobile phone or other devices  
* Meet all related safety standard, have CE, RoHS and FCC certificates  
* Suitable for mobile phones, iPhone, iPad, cameras, HTC, Samsung, BlackBerry, Nokia, PSP/NDSL, and MP3/MP4 players  
* Product Certifications: CE,FCC,ROHS
electronic stock
Power Bank External Mobile