For use with Dremel 7.2-Volt MultiPro cordless rotary tool models 7700-01 and 7700-02</br>7.2-Volt of power for light duty precision jobs</br></br>Product Description</br></br>Power Tool - Batteries & Chargers  Type: 7.2 Volt Battery Pack  Battery Voltage: 7.2  For Use With: Model 7700-1</br><br/>http://www.amazon.com/gp/product/B0009XCJF2