How to Replace the Batteries in a Bose Quiet Comfort 2 Noise Canceling Headphones

You'll get exceptionally long life from the battery that powers your Bose Quiet Comfort 2 Noise Canceling Headphones. You can expect about 35 hours of use from your headphones on one AAA battery. You'll know that it's time to change your battery when the battery light indicator located on the outside of the right earcup starts to flash. That indicates you have about five hours of battery power left. Replacing the battery in your headphones is easy to do. Just follow the simple steps below.

Things You'll Need

• One AAA battery
• Bose Quiet Comfort 2 Headphones

Instructions

1. Tilt the top of the right earcup inward to allow you to access the battery compartment on its side.

2. Use your fingernail to pull the battery door lock tab toward the door to unlock the compartment. The door will swing outward.

3. Slide the spent battery out of the compartment and discard appropriately.

4. Slide the new battery into the compartment top first.

5. Flip the battery door closed.

6. Press the battery door firmly but gently into place until you feel the lock catch.

Tips & Warnings

• You can use AAA alkaline batteries, or NiMH rechargeable batteries to power your Bose Headphones. The rechargeable batteries will give you about half the life of alkaline batteries before needing to be recharged.

• If you use rechargeable batteries, keep in mind that the indicator light is not calibrated to measure their life and may not be a reliable indicator of when you need to change the battery in your headphones.