Steam Controller (2nd Gen, 2026) Battery Replacement
Last updated on May 5, 2026
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Introduction
Go to step 1 ↓Follow this guide to replace a dead or worn-out battery in your Steam Controller (2nd Gen, 2026).
The lithium-ion battery in your Steam Controller has a limited lifespan. If your controller doesn't hold a charge, dies unexpectedly, or only works when plugged in, the battery may need to be replaced.
If your battery is swollen, take appropriate precautions.
What you need
Tools
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Unplug all cables and accessories from the controller, including the Steam Controller Puck.
Ask FixBot
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Tool used on this step:TR6 Torx Security Screwdriver$5.99
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Use a T6 Torx screwdriver to remove the seven screws securing the back cover.
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Throughout this repair, keep track of each screw and make sure it goes back exactly where it came from.
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To reassemble your device, follow these instructions in reverse order.
Calibrate your newly installed battery after completing this guide.
Take your e-waste to an R2 or e-Stewards certified recycler.
Repair didn’t go as planned? Try some basic troubleshooting, or ask our Answers community for help.
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1 Guide Comment
Where can I buy a replacement battery for Steam Controller (2nd Gen, 2026) ?
