B2 super battle droid

B2 super battle droids are villains during Star Wars Movie series that differ from their Heroic counterparts. They are the older brothers of the B1 battle droids villains. They are far more powerful than the B1s with repeating blasters that easily killed Jedi during the First Battle of Geonosis and later on in the war.

Star Wars: Attack of the Clones
In Star Wars Episode II: Attack of the Clones, B2s were created by the Techno Union founded by Wat Tambor and gave to Count Dooku for the Confederacy of Independent Systems to use in the war against the Galactic Republic for the first time easily killing Jedi.

The Clone Wars
B2 Super Battle Droids appeared in Star Wars Clone Wars in many battles during the Clone Wars era always fighting alongside their B1's. Super Battle Droids sometimes hit their B1 cousins when they need to get closer to the enemy. General Grievous used B2 SBDs as part of his strongest battle droids ever to stop Jedi.

Star Wars: Revenge of the Sith
In Star Wars: Episode III: Revenge of the Sith, B2 Super Battle Droids were present on the [Invisible Hand|flagship of]] the Confederacy of Independent Systems and they protected the hangar form Jedi invaders. B2s and B1 Battle Droids were present at the Battle of Utapau where General Grievous died. After that, B2s were shut down along with other Separatist droids.