Dremel Battery f/7700-01 7.2V-Ea - American Screening Corp
Dremel 855-02 10.8-Volt Battery Pack for Rotary Tools – NT Electronics LLC
Amazon.com: Replacement LI-ION Power Tool Battery for DREMEL 855-02/855-45 by Dantona Industries TOOL-427LI-15 10.8 Volts 1500 mAh : Tools & Home Improvement
Dremel Lite 12-Piece Variable Speed Cordless 4-Volt 2-Amp Multipurpose Rotary Tool in the Rotary Tools department at Lowes.com