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
Amazon.com: Shentec 4.8V and 7.2V Ni-MH and Ni-Cd Charger Compatible with Dremel 755-01 757-01 5000755-01 7700-01 7700-02 7300 Pod Style Battery (Not for 757 Battery) : Tools & Home Improvement
Dremel 7700-1/15 7.2V MultiPro Cordless Kit with Bonus Attachment and 11 Accessories ($30 Bonus Retail Value) - - Amazon.com