Dustbot (600-2556) Battery Faxback Doc. # 6641 The Dustbot uses two C batteries (not supplied). We recommend alkaline batteries, such as Radio Shack Cat. No. 23-551. Follow these steps to install batteries. 1. Push in both fingergrips and lift off the battery compartment cover (located on the back of the Dustbot). 2. Install the batteries as shown by the polarity marks (+ and -) inside the compartment. 3. Replace the cover. (LB/all-08/18/94)