B1 Battle Droids were battle droids that made up the backbone of the Separatist Droid Army. Often called "Clankers" by Galactic Republic clone troopers, they were the successors of both the HKB-3 hunter-killer, and the OOM-series battle droids. However, These Battle Droids are serve as the Foot Soldiers of the Confederacy of Independent Systems and Federacy of Machinery, However, They were Dimwitted Robotic Infantry in the Galaxy.
Battle Droids are First Used by CIS. Originally created by Trade Federation, Where the Battle Droids are going to attack. But Later, The Trade Federation was defeated and now headed to the Confederacy of Independent Systems, which was used in all of battles.
Many Variants of B1 Battle Droids are Used which was affiliated with Evil Governments and Organizations. They are many types of B1 Battle Droids, Including B1 Assault Droids, B1 Assassin Droids, B1 Engineer Droids, Firefighting Battle Droids, Rocket Battle Droids, Many of Elemential Battle Droids (Which was joined with Imperial War Droids and Counterparts of Elemential Heartless Units). Aquatic Assault B1 Droids and B1 Battle Droid Marines.