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Tesla cannon

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This is a lore summary, presenting intradiegetic or in-universe information about the subject. For game characteristics and similar data, consult the table on the right.
Game-specific articles
Fallout 3: BSTesla cannon
Tesla cannon (Beta) Cut contentIcon cut.png
FO: New VegasTesla cannon
Tesla-Beaton prototype
Elijah's jury-rigged Tesla cannon
Fallout: BoS 2Tesla cannon
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Gametitle-FO3 BS.pngGametitle-FNV.pngGametitle-FOBOS2.png

The Tesla cannon is a shoulder-mounted directed energy weapon using technology pioneered by Nikola Tesla.


The Tesla cannon is a pre-War designed shoulder-mounted heavy directed energy weapon, designed to replace conventional anti-tank weapons.[1] Based on Nikola Tesla's designs, the weapon entered limited production before the war and remains a rare sight in the wasteland. However, it remains a powerful tool in the hands of a skilled user, as the focused energy blast will not only deliver massive damage to the target, but the nature of the blast will also deliver a potent electric shock.

Near the end of the war between the Brotherhood and the Enclave in the Capital Wasteland, the Brotherhood's scribes under the Order of the Sword worked to build their own Tesla Canons to more effectively counter the enclave's VB-02 Vertibird fleet. To do so, the Lone Wanderer was tasked with retrieving a PPE Tesla Coil from Olney Powerworks, an experimental piece of pre-war technology.[2][3]

The modified Tesla canon employed by Lyons' Brotherhood of Steel is far more powerful than the pre-war Tesla canon. Discharging a large electrical impulse upon impact with a much larger area of effect. This explosive damage makes the Lyon's model far more suitable for anti-Vertibird use.[4]


Tesla cannon

Tesla cannon.png

The basic Tesla cannon is a military-grade directed energy weapon, firing a focused energy beam that delivers excellent damage to the target. It consumes electron charge packs.

Tesla-Beaton prototype

Gameplay article:

A prototype next-generation Tesla cannon, the Tesla-Beaton employs modified internal mechanisms and a different design for the containment rails focusing the energy blast. This Enclave design has been lost when the Vertibird carrying it crashed in the Mojave wasteland.[5]

Elijah's jury-rigged Tesla cannon

Gameplay article:

An unique example of convergent design, this Tesla cannon has been modified by Elijah, for use against the horrors of the Big MT. It is visually identical to the Enclave Tesla-Beaton prototype, but is much more precise.

Behind the scenes


  1. Future Weapons Today
  2. Plot of Shock Value.
  3. Tristan's dialogue
  4. Gameplay differences between the Tesla cannon in Broken Steel and the Tesla cannon in Fallout: New Vegas, as well as Tristan's dialogue confirm this as the modification necessitating the Tesla Coil.
  5. Found at the crash site.