Central Power Battery

The universal reservoir of willpower and the prison for Parallax.

The Central Power Battery serves as the primary energy source for the Green Lantern Corps, located on the planet Oa. It functions as a massive reservoir where rings are recharged and where the collective willpower of the Corps is stored. Throughout various eras, this structure has been central to pivotal conflicts, including Sinestro's imprisonment within it after his execution by the Corps. The Battery holds not only energy but also the trapped essence of powerful entities, acting as a prison for those who threaten the balance of power in the universe.

Quick Facts

Affiliation: Green Lantern Corps

Facts from the source article.

Background

After being found guilty of multiple acts of genocide during a trial by the Green Lantern Corps membership, he was executed. However, Sinestro managed to cheat death by sending his essence into the Central Power Battery and shutting it down from within. While trapped inside, he discovered that the ancient weakness of the Green Lanterns' light to the color yellow was actually caused by Parallax, the embodiment of fear. Later, when Hal Jordan entered the Battery to restore the powers of his fellow Lanterns, he defeated Sinestro's spirit, condemning him to remain trapped inside powerless for eternity.

During the Mosaic era, while John Stewart was on Oa, the spirit of Sinestro was absorbed into Stewart's power ring during the reactivation of the Central Power Battery, allowing Sinestro to torture and subjugate Stewart's consciousness until he fled after a confrontation involving Rose Hardin and her son, Toby.

Did You Know?

Sinestro escaped a prison empowered by hundreds of Lantern rings using a backup yellow ring hidden in his boot.
After Hal Jordan snapped Sinestro's neck in an attempt to stop his rampage, Sinestro survived and later masterminded the death of Kyle Rayner's mother.