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Introduction
Use this guide to safely remove and replace a worn out or dead battery in a Steam Deck.
***To minimize risk of damage, turn on your Steam Deck and allow the battery to fully discharge before starting this procedure.*** A charged lithium-ion battery can be very dangerous if accidentally punctured. ***Heating a charged battery is a fire hazard.*** [[What to do with a swollen battery|If your battery looks puffy or swollen, take extra precautions.]]
***Note:*** The Steam Deck's battery is strongly adhered to the Steam Deck, requiring repeated heating and prying cycles. The heat produced by an iOpener may not be sufficient to loosen the adhesive, so a heat gun (or, alternatively, a hair dryer) is recommended for this procedure.
Remember: follow general [link|https://www.ifixit.com/News/4883/esd-is-not-a-venereal-disease|electrostatic discharge (ESD) safety procedures] while repairing your device.
***Don't reuse the battery after it's been removed, as doing so is a potential safety hazard. Replace it with a new battery.***