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TL;DW: Fast charging over 2 years only degraded the battery an extra 0.5%, even on extremely fast charging Android phones using 120W.

And with that, hopefully we can put this argument to rest.

  • shane@feddit.nlEnglish
    13·
    10 days ago

    I always find the same study referenced, which was good science but also almost 30 years old. I wonder if this is still true for modern batteries?

    • floquant@lemmy.dbzer0.comEnglish
      6·
      9 days ago

      Correct me if I’m wrong, but as far as I know there haven’t been significant changes in Li-Ion and LiPo batteries aside from extra density - which would only increase the effect. But it seems like solid-state batteries are starting to hit the real world now

      • AA5B@lemmy.worldEnglish
        2·
        9 days ago

        I bet thats wrong, but I know ….

        There’ve been usage changes

        • iPhone has “Optimized Charging” where it predicts usage and tries to keep about 80% charge until it expects you to use it
        • iPhone has “Adaptive Performance “. Maybe not charging but tries to gradually ramp to “low power mode” to be gentler on the battery
        • all phones likely have refined charging curves to match battery technology