Product Feature： The Most Popular promotional item in 2003 and 2004

Batteries: A kind of polymer batteries
Capacity: 5000 mah
Input: 5 v -1A
output: 5 v-1A, 5V-0.5A
Product size: 110 * 70 * 16.5 mm
Product weight:140g
Custom color and logo available Logo Printing： Package Picture：