1. theKHMERboy's Avatar
    I just want to ask a simple question. I dont know if I am the only one that is noticing this but when I am charging my iPhone 12 Pro max its usually with the fast charger with the usb-c. it does charge in a fast significant time. I feel like when it gets to 99% it takes forever for it to get to 100% is it just me or anyone else notice this?
    Annie_M likes this.
    01-19-2022 10:30 PM
  2. Ed7789's Avatar
    That is normal behaviour. Once a lithium-ion battery is nearly fully charge, it can’t accept energy at the same rate than when it is at half-charge; otherwise, it would put the battery in a non-safe working condition.
    taz323, Just_Me_D and Annie_M like this.
    01-19-2022 11:25 PM
  3. Ledsteplin's Avatar
    Normal. It's been like that on all my iPhones going back to iPhone 4.
    Actually, I notice it starts to slow down at around 90% or so.
    Tartarus likes this.
    01-20-2022 04:45 PM
  4. Tartarus's Avatar
    The last few %%% is called trickle charging and is inherent to charging batteries in general.
    Don’t worry, it’s all normal.
    Charge your phone whenever wherever.
    I’ve tried charging once a day, going from 100 to 0 and 0 to 100 and charging every few hours for a few minutes.
    The battery lasts all the same and battery life doesn’t suffer under it.

    Therefore, my advice is, charge whenever wherever however. It doesn’t matter.
    02-02-2022 07:17 PM
  5. Wotchered's Avatar
    Completely normal, for best battery life charge to 100% plus 20 minutes.
    02-03-2022 06:36 AM

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