Mine are getting old, but I am getting 4-5 hours out of my 18490s and 6-7 hours out of my 18650. They won't even charge all the way to 4.2v anymore. Best I can get is 4.1. I've got more coming, and had these since March. I vape the Provari 14-16 hours a day, heavy, around 4.8-5.4 V.
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