Things You'll Need:
- Bose Quiet Comfort 3 Noise Canceling Headphones
- Battery
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Step 1
Turn off the headphone power before beginning the installation process.
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Step 2
Hold the right earcup of the headphones and affix the battery in the compartment just above the earcup.
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Step 3
Push the battery all the way through the earcup until it aligns with the earcup.
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Step 4
Remove the battery by turning off the headphone power and by lifting the battery straight out of the right earcup.












