Energy sink

A Blast Energy Sink was a component of Stormtrooper armor.

Designed to reduce damage by reducing Blaster effect, it wasn't to efficent. Even with two of these, the chances of a Stormtrooper surving was low. Often, the sinks failed to properly reduce damage from direct Blaster hits. Thus, large numbers of it's wearers were left dead in numerous parts of the Galaxy.