How to Replace Bose Headphone Batteries

Written by shawn mcclain
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How to Replace Bose Headphone Batteries
The positive terminal on a battery. (battery image by KtD from Fotolia.com)

Bose QuietComfort headphones use a computer chip inside the headphones to identify and cancel out background noise. In order for this chip and the noise-cancelling hardware to operate, a small amount of electricity is required, and Bose provides this in a removable battery located inside one of the headphones. The QuietComfort 3 has a custom-built battery that must be recharged, while the QuietComfort 15 uses a AAA battery that will last about 35 hours before it needs to be replaced.

Skill level:
Easy

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Things you need

  • AAA battery

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Instructions

  1. 1

    Press the power switch to "off" on the right headphone. The right side will have a small "R" near the headphone on the headband.

  2. 2

    Rotate the right headphone so that the headband connector is away from the top of the headphone.

  3. 3

    Grip the very top of the headphone with your fingers and pull straight up. The battery will slide out.

  4. 4

    Insert a new battery, or replace the same one after it has charged, by sliding it straight down into the battery cavity.

  1. 1

    Hold the Quiet Comfort 15 in front of you, so that the right earcup is to your right and the left earcup is to your left.

  2. 2

    Rotate the right earcup in a little, so that the top of the earcup is away from the headband support structure.

  3. 3

    Pry open the small plastic flap located on the front edge of the ear cup, just above where the headband connects to the earcup.

  4. 4

    Tilt the headphone over and the battery will fall out of the compartment that was covered by the plastic flap.

  5. 5

    Insert a new AAA battery into the compartment with the positive terminal facing down. Close the flap to secure the battery.

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