Dremel 8260 12VLi-Ion Variable Speed Cordless Smart Rotary Tool with Brushless Motor,5 accessories,3Ah Battery,Charger,Tool Bag 8260-5 - The Home Depot
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 Cordless Model 770 Type 1 - Battery Pack Repair : 4 Steps (with Pictures) - Instructables