Dremel 760-01 3-Hour Battery Charger for Dremel Cordless Rotary Tool Models 7700 and 7300- Battery not Included- Dual Voltage 4.8-volt and 7.2-volt - - Amazon.com
Dremel 758-01 7.2V Battery Charger for use with 7700-01 & 02 - Power Rotary Tool Accessories - Amazon.com