Fusion pulse charge (Fallout 4)

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

Gameplay
The charge is a small metal box with several 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.

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

Related quest

 * The Nuclear Option