Introduction
As your device ages, the battery life often severely degreades. Instead of throwing away your device, consider replacing the battery instead.
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Detach the Bluetooth module from the left earcup of the headphones.
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Turn off the Bluetooth module before proceeding.
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Remove the five screws on the module using a small tri-wing bit and a Phillips head bit.
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Using an opening tool, gently pry the cover from the sides and open the module.
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The battery is secured with adhesive to the back of the module. Using the opening tool, gently pry off the battery.
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Conclusion
To reassemble your device, follow these instructions in reverse order.
