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Sony WF-1000XM3,4 had fairly easily replaceable batteries, but they regressed with the latest XM5. iFixedIt covered it here https://www.ifixit.com/News/79140/so

by wbkang 2y ago

Sony WF-1000XM3,4 had fairly easily replaceable batteries, but they regressed with the latest XM5. iFixedIt covered it here https://www.ifixit.com/News/79140/sony-just-nerfed-their-most-repairable-earbud-line https://www.ifixit.com/News/79140/sony-just-nerfed-their-mos... I am still using the XM3 - both the earbud and case batteries are repleacable.

Fnoord 2y ago
I have owned WF-1000XM3, 4, and (currently) 5. I got the 5 with discount as replacement for the 4 since the battery of one earbud was dead due to a firmware bug. The noise cancelling gets slightly better each iteration. There's another thing the 3 and 4 are better at than the 5: easier to get out of the charging case. Also, while you could replace the batteries in each of these versions, the IP rating would be in practice regressed.