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A 631 model

"Those 631s are not the brightest lights on the ship."
―B1 battle droid on the inferior capabilities of the 631 model — (audio) Listen (file info)[src]

The 631 model of B1-Series battle droid served as part of the military of the Confederacy of Independent Systems the Clone Wars.


The 631s were known to be more clumsy and less intelligent than other B1-Series battle droid models, much to the dismay of other B1 battle droids.[1]


During the Clone Wars some battle droids from this line were stationed on Skytop Station. A B1 asked a particular 631 unit to carry an important item to another level without dropping it. No sooner had the droid turned around than he immediately tripped and dropped the item.[1]


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