Amazon.com: Lotive 2 Packs 7.2V 3500mAh Ni-MH Replacement Battery Compatible with Dremel 7.2V Battery 757-01 and Dremel MultiPro Cordless Rotary Tool Dremel 7700-01 Dremel 7700-02(Not for 757,not for 770 Type 1) : Electronics
Powerextra 7.2 Volt 2000mAh Battery Compatible with Dremel MultiPro Cordless Rotary Tool Models Dremel 7700-01 and Dremel 7700-02 Replacement Dremel 757-01 Dremel 7.2 volt Battery
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 - Walmart.com
Amazon.com: Hanaix 10.8V 3.0Ah Battery Compatible with Dremel 855-02 855-01 8000-01 8001-01 8001-02 Li-ion Replacement for Dremel 10.8v Battery : Tools & Home Improvement