Imperial patrol droid - also known as Shockbot Patrol Droid - was a model of battle droid based on IMP-A01b

IMP-A01b Battle Droid Droid Old Republic Battle Droid classes

design and used by the Sith Empire during the Cold War and beyond. Shortly before the end of the Cold War and during the following escalation of the conflict, patrol droids were deployed widely across Balmorra

Balmorra Planet

to supplement Imperial Army troopers. Their weapon arsenal included shockwave generator and its cannons were enhanced with ion cells giving their targets additional shock punch. Additionally Shockbots have been equipped with powerful head-mounted laser cannon. Several Shockbots have been assigned to defend Imperial outpost in Jacent Valley on Balmorra