Fusion pulse charge (Fallout 4)

The fusion pulse charge is a miscellaneous item in Fallout 4. It is used to sabotage the Institute's main reactor and create a nuclear explosion, completely destroying the facility and surrounding area of the city.

Characteristics
The charge is a small metal box with a lot of wires and a radiation danger symbol on the exterior. It is used to detonate nuclear devices such as reactors and atomic bombs as seen in previous Fallout games.

Locations
Given to the Sole Survivor by either the Brotherhood of Steel, the Minutemen or the Railroad when progressing through the quest The Nuclear Option.