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    • Showing only topics with the tag "batteries". Back to normal view

    9. How do I get my iPhone to recalculate battery health?

      ~tech Ask (advice)
      My iPhone 14 Pro has been at 84% battery health for almost a year now. Anecdotally the battery lasts significantly less time than it did previously, even when it was already at 84% health. I think...

      My iPhone 14 Pro has been at 84% battery health for almost a year now. Anecdotally the battery lasts significantly less time than it did previously, even when it was already at 84% health. I think it may just be a stale calculation, and my actual battery health is significantly lower. If I can get it to show as less than 80%, I can get AppleCare to replace it. Does anyone here know how to get the iPhone to recalculate this value?

      I have Coconut batter on the Mac, and it can check the battery health for an iPhone attached with a cable. It uses a different formula, so it gives me a health of 87%. However it also shows history for when I have run it in the past, and when I tested it almost 100 charge cycles ago, it also read 87%. I don't know how any battery can go almost 100 charge cycles with zero degradation (537 to 617 cycles, so it's not like it's a fresh battery).

      8 votes

    42. Battery life of AAA batteries that come with the original products seem unusually long

      ~tech Ask (survey)
      Hey folks of tildes, I wanted to see if anyone has similar experiences as mine and if they know the reason for this. I've purchased a few items which came with AAA battery pre-installed...

      Hey folks of tildes,

      I wanted to see if anyone has similar experiences as mine and if they know the reason for this. I've purchased a few items which came with AAA battery pre-installed (Chromecast from Google, Weighing scale from Xiaomi). These batteries lasted for an incredibly long time, Chromecast lasted over 1.5 years and Xiaomi's scale lasted for a similar time. Any third party battery I've purchased (Energizer, Duracell, Panasonic, Eveready and few others which I can't recall) last for a couple months at best.

      I've now switched to rechargeable batteries, to reduce the waste I was creating. Still, I was really curious if anyone has a similar experience, and if they know the reason for it.

      28 votes

    43. Recommendations on portable power stations

      ~tech Ask (recommendations)
      After one too many blackouts for the past few years, we're in the market for a backup power solution. Guidelines include: Would rather have multiple smaller units than one large one. Should be...

      After one too many blackouts for the past few years, we're in the market for a backup power solution.

      Guidelines include:

      • Would rather have multiple smaller units than one large one.
      • Should be enough to charge phones, watch a television, run the Keurig. If it can spike up enough to run a heater or keep the fridge from spoiling, that's a bonus.
      • Would like to keep it at ~$300 a unit.

      We're looking into a whole home generac as well, but this is more of a bandaid trial solution for now.

      23 votes