This subject is related to the Combine era.

Combine Battery

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This subject is related to the Combine era.

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HLA CombineBattery Model.jpg
Combine Battery
General information


Used by
Game information



Naru Omori[1]

The Combine Battery is a type of power source used by the Combine that appears in Half-Life: Alyx.


The Combine Battery is the major source of electricity for Combine technology in Half-Life: Alyx. They're used to provide power for Combine Heavy Doors, Combine elevators, and other Combine technology. It has a cylindrical shape with multiple blue lights on the sides and several spike-like protrusions on both ends. It is compatible with Combine outlets seen in many facilities that, when inserted into, supplies electricity to open doors or activate machinery. Alternatively, the hearts of Revivers can play a similar role and be inserted into outlets.

The Combine also uses bigger versions of these batteries to milk substances from the Antlions which can be seen in the Tanker Yard.

Behind the scenes[edit]

Concept art for the Combine Battery originally showed a Reviver's heart suspended inside the canister that would be visible when the cover was slid open. In the end, the contents were replaced by a glowing light for the sake of visibility during gameplay.[1]






List of appearances[edit]


  1. 1.0 1.1 Twitter favicon.png Tweet: "Concept art(model) for Combine battery 当初は中にReviverの心臓があり、カバーがスライドして見れるようになるアイデアを考えていたが、最終的にはゲーム中の視認性を考慮してキャニスター内は常時光らせるようにした。" @NaruOmori on Twitter (July 26, 2020)