B-series battle droid/Legends

The B-series battle droids were battle droids used by the Trade Federation, Techno Union, and the Confederacy of Independent Systems up to and during the Clone Wars.

The Separatist Droid Army was mainly comprised of B-series battle droids.

B-series battle droids

 * B1 battle droid
 * B2 super battle droid
 * B3 ultra battle droid
 * C-B3 cortosis battle droid