The B-series was a heavily mass-produced series of battle droids used primarily by the Trade Federation, Techno Union, and Confederacy of Independent Systems up to and during the Clone Wars.
The B-series was fielded mostly by the Separatists, who used vast numbers of these droids to overwhelm their enemies. The B3 ultra battle droid was never mass produced though.
Appearances
Non-canon appearances
- LEGO Star Wars: The Video Game
- LEGO Star Wars: The Complete Saga
- Kowakian Monkey-Lizard
- Giant spiders are awesome
- Always count your clones before take-off
- LEGO Star Wars: The Quest for R2-D2 game
- LEGO Star Wars: The Quest for R2-D2 film
- LEGO Star Wars: Revenge of the Brick
- LEGO Star Wars II: The Original Trilogy (If "Old Save" is used)
- Star Wars Battlefront: Renegade Squadron
Sources
- Obi-Wan: Prima's Official Strategy Guide
- The Clone Wars Campaign Guide (First identified as B-series battle droid)
- Star Wars: The Clone Wars: The Complete Season Three