A sapper charge was a small explosive device employed by combat engineers (or "sappers"), during boarding operations. When detonated the device exuded a noxious smoke that consumed oxygen in a manner similar to Null gas.
- Han Solo at Stars' End (First appearance)
- Han Solo's Revenge
- Star Wars Trilogy: Apprentice of the Force
- Star Wars Illustrated: The Empire Strikes Back (Card: Man vs. Walker)