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Registered since

Jan 2, 2021

Quiet Comfort Earbuds Battery Capacity / Lifespan

I'm looking to buy a new set of noise cancelling earbuds for use during my daily commute / gym sessions.  I understand how the earbuds work in terms of charging them from the charging case.  However, my question is what is the battery capacity / life of the earbuds and charging case? 


For example, my iPhone battery charges to 100% when new, yet over time it degrades so that after a few years even when it shows as fully charged it is only at 70-80% of the original battery capacity.  Eventually the battery holds so little charge that I can't get a full day's use out of it.


Is there an estimate for how long the batteries in the QC Earbud set up last for before becoming unable to hold sufficient charge for normal daily use?  And once at this stage is it possible to either replace the batteries or buy a new charging case?  I'm happy to pay a premium for premium tech, but I want to make sure it is futureproofed.