Introduction
Learn how to replace the battery in your Sony H.ear On 2 headphones. The battery is located in the right ear cup and the replacement is not difficult.
Note: Make sure your battery is fully discharged if possible before you replace it. A lithium-ion battery can potentially spark and cause a fire if punctured during the replacement.
What you need
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Start by inserting the iFixit plastic opening tool into the crease between the hard plastic and the ear cup on the right side of the headphones. Then you should gently apply pressure until it separates.
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Use the JIS #00 Screwdriver to remove the five 6.4 mm screws holding the back plastic cover in place.
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Then, turn the ear cup over and carefully lift the plastic cover off to reveal the internal components of the right ear cup.
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