4500mAh portable power supply

Name: 4500mAh portable power supply

Instructions:
4500mAh  
Input：DC5V-1000mA  
Output:DC5V- 1000mAh  
Weight：200g ,
Size：74*74*14mm
Color: black, white
Aluminum frame, high-performance lithium polymer batteries, microcomputer full control, static low consumption, Digital battery indication. Intelligent circuit protection while over-charge or over discharge, over current or short current. At the same time, it can stop automatically when the object is full charge. It has long life usage, which can be up to more than 500 times charge-discharge cycles.

Model:  EPPS-401a: Sanyo battery cells, 87% conversion, 24 hours aging test
Model:  EPPS-401b:BYD battery cells, 85% conversion, 8 hours aging test