Dremel 12V Variable Speed Cordless Brushless Smart Rotary Tool Kit with Rotary Keyless Multi-Chuck for 1/32" to 1/8" Accy Shank 8260-5+4486 - The Home Depot
Amazon.com: Powerextra 7300 Replacement Battery Compatible with Dremel 755-01 Battery 3000mAh 4.8V for 7300-N/8, 7300-PT Pet Nail Grooming Tool (May not fit for Dremel 7400, 7500, 755, 750) : Tools & Home Improvement
Amazon.com: 2-Pack 7.2V NIMH Battery Replacement for Dremel 7700-01 MultiPro Cordless Rotary Tool - Compatible with Dremel 757-01 7.2V MultiPro Battery Pack 1500mAh : Tools & Home Improvement
Amazon.com : Upgraded Powerextra 2 Pack 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 : Tools & Home Improvement
Dremel MultiPro Cordless Model 770 Type 1 - Battery Pack Repair : 4 Steps (with Pictures) - Instructables