Joiry 2.5A NiMh Battery for 7.2V Dremel 757-01 Fit for Dremel 7700-01 7700-02 MultiPro Cordless Rotary Tools (Not for 770 Type 1) : Amazon.ca: Tools & Home Improvement
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