DREMEL Battery Charger 120V 4.2V and 7.2V - TDI, Inc
Amazon.com: Hanaix 7.2 Volt 3500mAh Battery Compatible with Dremel 7700-01 and Dremel 7700-02 Replacement Dremel 757-01 Dremel 7.2 Volt Battery (Do not fit Dremel 770 Type 1) : Tools & Home Improvement
Dremel MultiPro 7.2 Volt Nickel-Cadmium Two-Speed Cordless Rotary Tool Kit | Elitsac, Inc.