This charger is a genuine Aspire product and will charge any of Aspire’s eGo-threaded CF batteries, and is a perfect charger for other eGo-threaded batteries like the Vision Spinner 2.  Features an LED indicator that turns green when your battery is fully charged.

Specifications:

USB to eGo threading

Input:  5v DC

Output:  DC 4.2v @ 420mA