Energy cell

Small energy cell, energy cell, or simply small energy is an item of ammunition in Fallout, Fallout 2, Fallout 3, Fallout Tactics, Fallout: Brotherhood of Steel, and Fallout: New Vegas. 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.

Fallout: Brotherhood of Steel
Małe ogniwo energetyczne