Fusion cell (Fallout 4)

The fusion cell is a type of ammunition in Fallout 4. It essentially replaces the microfusion cells from previous games, at the difference that it is only used by light energy weapons (such as the laser gun and the laser musket).

Characteristics
A miniaturized fusion reactor similar in appearance to the microfusion cells from previous Fallout games. The fusion cells are used by laser weapons. Fusion cells can be purchased from various merchants within the Commonwealth and looted from enemies using energy weapons.

Weapons using this ammunition

 * Laser musket
 * Laser gun
 * Institute laser
 * Alien blaster pistol (with appropriate mods)
 * Salvaged assaultron head
 * Tesla rifle

Locations

 * Merchants usually sell this ammunition type.
 * Gunners, Brotherhood of Steel members, Minutemen, and Institute synths often carry laser weapons as well as fusion cells.
 * At the entrance of the Museum of Freedom in Concord, by a dead minuteman and a laser musket.
 * In the Advanced Systems and Synth Retention Bureau divisions of the Institute.