2638

2638 was a B1 battle droid in the Droid Army of the Confederacy of Independent Systems that was active during the Clone Wars. In 19 BBY, 2638 was involved in the Battle of Utapau, where it fired near Republic Jedi General Obi-Wan Kenobi, but the droid was blasted by clone troopers.

Behind the scenes
The battle droid's identification number can be spotted on its comlink booster pack, similar to 1138, a droid featured in Star Wars: Episode I The Phantom Menace.