I have this same problem, have had the right one replaced under warranty and the entire set replaced under warranty, no luck. If I periodically clean the inside of the case with rubbing alcohol it helps mitigate the charging problem. Then I just end up in a world where left ear connects, right ear nothing... unpair, re-pair... right ear connects, left ear nothing... unpair, re-pair... I used to use them mostly for trail running and it would take me 10-15 minutes to get them functional before every run. Now I just skip them, too frustrating.