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 7.2-Volt Multipro NiCad Battery for Rotary Tools 757-01 - The Home Depot
CREABEST 2Packs 7.2V 3.5Ah Ni-MH Battery for Dremel MultiPro Cordless Rotary Tool Models Dremel 7700-01 7700-02 757-01 with One Charger - - Amazon.com
Powerextra 7.2 Volt 2000mAh Battery Compatible with Dremel MultiPro Cordless Rotary Tool Models Dremel 7700-01 and Dremel 7700-02 Replace for Dremel 757-01(Do not fit Dremel 770 Type 1, 770T2, 7300) - - Amazon.com