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Dominate the Wasteland with inpunity.

Power User is an Intelligence-based perk in Fallout 76.


Rank Description Base ID
1 Fusion Cores now last 30% longer. 0027A873
2 Fusion Cores now last 60% longer. 0027A874
3 Fusion Cores now last twice as long. 0027A875


  • Both power armor and gatling lasers benefit from this perk, as both use fusion cores.
  • This perk is less useful for those who have a lot of fusion cores in their inventory, and taking the perk can be skipped by either simply farming fusion cores from a power plant or from crafting with flux.

Behind the scenes

Icon cut content.pngThe following is based on Fallout 76 cut content.

There are two cut ranks of this perk in the game's data. The fourth rank would have made fusion cores last 80% longer, while the fifth rank would have made fusion cores last twice as long, effectively becoming the current third rank.

Icon cut content.pngEnd of information based on Fallout 76 cut content.