Amazon.com: Rotary Tool Battery Replacement for Dremel 750-02 4.8V (1500mAh NIMH) : Tools & Home Improvement
Dremel Batteries products for sale | eBay
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
Dremel MultiPro Cordless Model 770 Type 1 - Battery Pack Repair : 4 Steps (with Pictures) - Instructables
3000mAh 4.8V Ni-MH Battery For Dremel 755-01 756-01 7300 750-02 NOT for 755 756 | eBay
Dremel 9.6 Volt Battery (for 7800) | Rapid Online
Hacking together a better dremel battery! - YouTube