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, and Fallout Tactics. 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. Small energy cells can charge a Highwayman car.

Energy Cell


A collection of three thin energy-storing cylinders, held together by an embossed metal enclosure. Each cylinder has a capacity of 1040.8 DC volts and has both positive and negative terminals. Produced by Wattz Electronics with a low shelf life, the Energy Cells were slightly smaller than microfusion cells and were used for a variety of devices, from energy weapons to household appliances.

Energy Cell, Bulk


A less potent, mass-produced version of the standard Wattz Electronics Energy Cell.

Energy Cell, Max Charge


A standard Energy Cell charged to maximum capacity, allowing for more powerful output while being more volatile.

Energy Cell, Over Charge


A more powerful, yet also more volatile, version of the standard 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.

Light Energy Ammo
Ammunition. Light-weight.

Heavy Energy Ammo
Ammunition. Heavy duty.