Sarium krellide
- Substance capable of storing large amounts of energy
- Molecular structure includes sarium
- Commonly used for power cells (ENT: "The Andorian Incident"; VAN Novel: Reap the Whirlwind; TNG: "In Theory")
- Smaller cells often used for hand weapons (ENT: "The Andorian Incident")
- Larger cells used for power reserves on auxiliary vessels (TNG: "In Theory")
- Industrial grade batteries able to maintain power on starships for limited amounts of time (SCE Short Story: "Wildfire, Book 1")
- Occasionally used as explosive (TNG: "Night Terrors")
- If charged, releases energy explosively when shorted (VAN Novel: Reap the Whirlwind)