Introduction
Use this guide to replace the internal lithium battery inside PlayStation 3 controllers.
What you need
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Press on the rear cover between the analog sticks and slightly lift the lower edge of it away from the rest of the controller.
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Push the rear cover slightly toward the top edge of the controller to clear the front edge of the #2 triggers.
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Pull the rear cover away from the rest of the controller, being careful not to pop off the #2 triggers.
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Lift the battery off the motherboard for enough clearance to access the battery connector.
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