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Hi, dmb! Unfortunately, you cannot manually replaced the batteries on your own. However, you can bring the headphones to an authorized servicer and they should be able to replace the batteries for you. -Sam
Sorry, there was a problem. Please try again later.You would ditch the whole thing, not easy to replace, but i'm sure that could be done, i would not think the battiers will go bad anytime soon.
Sorry, there was a problem. Please try again later.Sony website claims a Sony dealer can help with battery replacements: https://helpguide.sony.net/mdr/wh1000xm3/v1/en/contents/TP0001703138.html
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