Energy cell

Energy cell, small energy cell, or simply small energy is an item of ammunition in Fallout, Fallout 2, Fallout 3, Fallout: New Vegas, Fallout Tactics and Fallout: Brotherhood of Steel. It is a small, self-contained energy storage unit often associated with one-handed energy weapons and acts essentially as a very powerful battery or capacitor.

Small energy cell


A pair of red energy cylinders marked with a central white line. The cylinders sit on a rusty, rectangular metal box fitted with a red light and two arching braces. A total of 200 small energy cells can fully charge a Highwayman car.

Energy cell


Produced by Wattz Electronics with a low shelf life, energy cells were used for many things such as energy weapons and regular household appliances.

Energy cell, bulk


Ammunition. Energy cell, Bulk.

Energy cell, max charge


Ammunition. Energy cell.

Energy cell, over charge


Ammunition. Energy cell.

Energy cell, optimized


Added in the Gun Runners' Arsenal add-on, optimized energy cells have higher damage and armor penetration, as well as reduced weight in Hardcore mode. However, they do also cause slightly faster weapon deterioration.

Heavy energy
Ammunition. Heavy energy.