Brand new and High quality universal USB Battery Charger.
Prevent Overvoltage, Overcurrent and Short circuit protection.
Extremely Compact, Light and Convenient. 
LED Charger Indicator - Red light: needs charging, Green light: charging is complete.
Compatible with almost all USB power devices, Convenient to charge anywhere in the world.

  Specification:
Charger Model: UDC22
Input Voltage:  DC5V±5%
Output Voltage: DC 4.2V±5%  
Output Current: 500mA
Weight: 50g
Size about:  8.5*4.7*1.8cm
Cable Length: 38cm
Warranty: 2 years

Compatible Battery:
For Canon NB-4L、NB-5L

Package includes:
1x USB Battery Charger
1x 38cm USB Cable