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Introduction

Are your Sony ULT Wear having trouble with wireless features, noise cancellation, or other advanced features such as enhanced bass? Or simply a short battery life? This could mean your battery has depleted. Although they can still work in passive mode, a lot of its unique features will not be active.

To safely remove the battery, follow our detailed battery replacement guide. Remember to be cautious of damaging any internal cable or puncturing the battery as this can be a hazard.

What you need

Step 1 Battery

Sony ULT WEAR Battery Replacement, Battery: step 1, image 1 of 3

Sony ULT WEAR Battery Replacement, Battery: step 1, image 2 of 3

Sony ULT WEAR Battery Replacement, Battery: step 1, image 3 of 3

Remove the ear cushion carefully from the right can.
Only remove the four screws from the center of the can using a Phillips #00 screwdriver.

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Step 2

Sony ULT WEAR Battery Replacement: step 2, image 3 of 3

Flip the right cuff of the headphones so the can lays flat.
Take your spudger and carefully pry the cover off.
When removing the cover, do not pull roughly as this can damage the ribbon cable connecting the cover to the rest of the can.
Use your tweezers to lift the small black ZIF locking flap and disconnect the ribbon cable.

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Step 3

Sony ULT WEAR Battery Replacement: step 3, image 3 of 3

Use tweezers to pull the white battery connector directly out of its socket.
Use a hairdryer to lightly heat the battery.
Place the flat end of a spudger under the battery to pry it slowly off the adhesive.
Take care not to bend or puncture the battery.