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
User manual Dremel 7700 (English - 88 pages)
Dremel 7700-15 Hobby Multitool with 15 Accessories | Conrad.com