Power Battery

Created by the Oan Guardians of the Universe, Power Batteries are devices used by the Lantern Corps as reservoirs to harness and channel spectrum power to be used through their power rings.

Central Power Battery
Located on the origin world of each Lantern Corps, the Central Power Battery is the central hub from which all power of the corps originates.

Lantern Power Battery
Constantly kept charged by the Central Power Battery, Lantern Power Batteries channel the power provided by the Central Power Battery and are used to recharge Power Rings. With a few exceptions each Power Ring is limited to a 24 hour charge and must be recharged using a Lantern Power Battery.

Trivia

 * Lantern Power Batteries each have enough power to fuel about 7200 individual Power Rings.
 * The bodies of the Alpha Lanterns can tap directly into the Central Power Battery as their Lantern Power Battery is follow intergrated within themselves.