You're charging your phone wrong

You're charging your phone wrong

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Whether it’s the brand new iPhone 14 Pro or the just-shipped Galaxy Fold 4 or the upcoming Pixel 7 Pro, you don’t have to micromanage your phone’s charging. You just don’t. And not because your time is worth so much more than the dozens of dollars it might save you over the life of your phone, but because modern phones use machine learning and artificial intelligence to manage charging in ways stranger and more sophisticated than almost any human could ever match.

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📷 Some video and images via by Getty Images and/or AP Archives
🎸 Some music via by Epidemic


  1. the_homie_me on October 17, 2022 at 5:26 am

    I had my iPhone 11 Pro Max on 100% for over a year, I use 2 Apple Smart Battery cases, once one case dies I switch to the other case, the case gets swapped at 1 percent, it’s died on me a couple times which made me use the phones battery a couple of times

  2. F9Fad on October 17, 2022 at 5:28 am

    Does all you guys charging phone with case on?

  3. Bill Johnson on October 17, 2022 at 5:28 am

    For the algo

  4. balderoine on October 17, 2022 at 5:32 am

    we care about the battery health percentage so we can get the most resale value

  5. tax xzempt on October 17, 2022 at 5:33 am

    With batteries having as much capacity as they do I do not understand the logic of people stressing
    Your modern phone battery will last longer then You will need it to unless you manage to keep it for 6+ years

  6. Eric Yao on October 17, 2022 at 5:33 am

    What happened to the lens? Why does it look like an oil iPhone cam?

  7. Brendon Shark on October 17, 2022 at 5:34 am

    I have personal verified experience that fast charging on both Android and iPhone degrades battery health much faster than slow charging using the minimum 5 watts. Have you not done experiments to verify this Rene?

  8. Plavan Barua on October 17, 2022 at 5:34 am

    Is 40-41c temp. normal while fast charging my OnePlus Nord 2T phone with its 80watt charger?. Ideally it sits around 34-35c and sometimes 38c doing normal stuffs like browsing, streaming videos.

  9. Rene Ritchie on October 17, 2022 at 5:35 am

    🚀 Visit to start learning STEM for FREE!
    🔥 The truth about eSIM:
    🪫 How are you charging your iPhone?

  10. al on October 17, 2022 at 5:35 am

    not sure if you used a filter on the lens to make light softer or color graded the footage differently, but this video looks a bit softer and whiter than most of your others. not better or worse, just different.

  11. Labyrinth1010 on October 17, 2022 at 5:36 am

    Can anyone share some advice on how to manage driving long hours while not depleting the battery?

    I drive for a rideshare app and unfortunately need to have my phone on all day for many hours in a dashboard clip. My battery health has already gone down a few percent over the last few months. It definitely gets significantly hotter when the sun is out.

    I’ve been thinking of designing some sort of shade behind the clip to keep the sun off of my phone.

  12. Dangerous One on October 17, 2022 at 5:36 am

    My XS Max is 4 years old and the battery health is at 92%. I don’t deep cycle it very often. I usually keep it charged at work and at home. I rarely have it go below 50%.

  13. terry hughes on October 17, 2022 at 5:36 am

    Whenever I wirelessly charge my phone I have it hooked to a AC vent in my truck which keeps it cool and makes charging faster. Accu battery helps me monitor the temperature and charging status.

  14. Ahmad on October 17, 2022 at 5:37 am


  15. Terraformer00 on October 17, 2022 at 5:46 am

    So don’t keep batteries charging when it reaches 100 percent

  16. N Rom on October 17, 2022 at 5:49 am

    This brings up a question I have had. How come we don’t have cases that dissipate heat? Seems like a case on a phone holding in heat is counterproductive.

  17. Josh Brewer on October 17, 2022 at 5:52 am

    Love it can’t wait to get mine 😁😁😁

  18. ItzEagleT on October 17, 2022 at 5:53 am

    Great vid again

  19. That girl from Bengal on October 17, 2022 at 5:53 am

    How many hours should I charge my iphone 14 pro the first time I use it.. the very first time

  20. Robnation on October 17, 2022 at 5:55 am

    Fast chargers or pad chargers are bad if they create any additional heat. Slower charging is always best for phones or even a big car battery. Charging a phone battery from a USB battery bank is even better.

  21. 8 bit Bender on October 17, 2022 at 5:56 am

    I hope mobile phones get LFP batterys soon, they can hold up to 100% charge all the time

  22. ajjono on October 17, 2022 at 5:57 am

    Hey Rene, In the case of fake iPhone chargers hurting the battery. Is the same true for wireless chargers? Is an off brand wireless charger potentially going to age the battery faster or damage the phone in some way

  23. Andriy Troyan on October 17, 2022 at 5:57 am

    Wireless charging is the only charging that could produce a bit more heat. However with official chargers, I have never experienced excess heat. Also do not care about battery health. It is cost-efficient to simply not care and replace the battery when needed

  24. Andreas Riris on October 17, 2022 at 5:57 am

    How exactly is the BMS going to use a different 20% of the battery each time if there is only 1 cell in the typical phone?

  25. KotBehemotOfCheshire on October 17, 2022 at 5:57 am

    I still remember when after Apple Watch series 5 was release you said the always on display has small battery impact. This is the moment when you tossed your credibility to the garbage:/

  26. Mbro7791 on October 17, 2022 at 5:57 am

    Rene your videos are so dope. I appreciate the info you freely give to us. I’ve learned so much about my iPhones and 4 Macs I have. I HAVE TWO ORIGINAL M1 MACS. UN-F–king believable. Amazing machines. You helped me with them.

  27. theologos kalotrapezis on October 17, 2022 at 5:59 am

    It’s an industry standard, like how many complete psychos you can go through, while still retraining up to 80% of battery’s capacity. 🤣 (edit: operating under normal conditions.)

  28. Robin Kumar S on October 17, 2022 at 6:00 am

    If you change the iPhone battery after a year or two . The battery performance will be significantly low than it was first bought. For example my iPhone 13 was bought one year ago and battery now is at 90%. If change the battery now from apple. After a year it will be less than 85%.

  29. 8 bit Bender on October 17, 2022 at 6:01 am

    why is apple not setting a max charging like 90% or 80%

  30. Armored Batman on October 17, 2022 at 6:02 am

    I got a brandnew Iphone 14 Pro max and i fell asleep last night and leave it charging for almost 5hrs. Will it damage the battery?

  31. M Taka on October 17, 2022 at 6:03 am

    LOL You got everyone with that 80% explanation!!! "If you only use it to 80% anyway, why would it matter if battery capacity drops to 80%??" logic, my man. 🧐

  32. Philip Graham on October 17, 2022 at 6:03 am

    If apple just gave us one setting the battery would last years longer. That magical setting? Set the max charge to 80% or 90%. This is what Tesla does and as a result the battery in the car lasts many years. Not just two which is the apple goal. Adding the machine learning on top of this is great, like Tesla does. So why does Apple not give us that simple setting? So the battery will wear out and you will get a new phone.

  33. Boat Enthusiast And explorer on October 17, 2022 at 6:04 am

    I have a I phone 12 what I do is charge my phone to 78 percent last me majority of the day cause I’m at work and I don’t mind letting the battery go down my phone is only at 100 percent if I know I’m going on a trip or I’m driving many hours away

  34. See Sharp on October 17, 2022 at 6:06 am

    A general advice is use fast charging when you need it, use slow charging when you have time. The hotter the charger the less efficient it becomes, means some power is lost through heat.

  35. DIMAL RANASINGHE on October 17, 2022 at 6:07 am

    Thank you very much.

  36. Erik Benjamin on October 17, 2022 at 6:09 am


  37. Florante Galamgam on October 17, 2022 at 6:09 am

    My iphone XSMAX has 84% battery health.
    (I dont know what im trying to point out)
    Just use your phone like a normal person.

  38. Curry Wilson on October 17, 2022 at 6:09 am

    Yoda + Captain Kirk = Rene Ritchie

    Glad to see you still doing videos.

  39. dfair82 on October 17, 2022 at 6:09 am

    This video was the best explains on this topic I’ve seen regarding call phones specifically. A+++

  40. Robin Kumar S on October 17, 2022 at 6:10 am

    My iPhone 13 is at 90% after one year. I hate this part. Every apple bot compare iPhone with other brands and expose them against apple. But iPhone’s battery is not same for years it drops and drops and drops.

  41. Random Ness on October 17, 2022 at 6:18 am

    Rene emoji’s should just be a 🤓 🙌

  42. Eenam on October 17, 2022 at 6:21 am

    If only phones had easy to replace battery like the old days 🥲

  43. Scott Shanahan on October 17, 2022 at 6:22 am

    I have a random wake up scheduled. This doesn’t work for me.

  44. PHOTOTRISTAN on October 17, 2022 at 6:22 am

    I just sold my iPhone 11 Pro Max and I always charged it whenever and however I wanted, the battery was still at peak performance and this is a four year old iPhone.

  45. KalecAmagosh on October 17, 2022 at 6:22 am

    I would believe you if I were an idiot. Allas, I am not. Checking my battery power graph, I can clearly see my phone is at full power for 6-7 hours every night.

  46. Only60Games Played on October 17, 2022 at 6:23 am

    Where have you been all of life! Finally, someone with common sense!]

  47. megamatt on October 17, 2022 at 6:23 am

    Awesome video. My main question tho is if the 20W charger damages battery health overtime, simply because every single time i charge my iphone with the 20W charger (just went from XS to 14 pro max), my phone gets quite hot, even if i unplug it when it reaches 100%. it’s also weird that the 14 pro max came with the usb c cable, so 14 users that don’t have a charger yet have to buy a 20W adapter if they wanna stick with apple’s first party charging blocks. for now i’m sticking with the safest route i know which is apple’s 5W port and USB-A cable.

  48. Blarnix on October 17, 2022 at 6:24 am

    They don’t use AI, but you’ve got the right idea.

  49. dittocopys on October 17, 2022 at 6:24 am

    Battery AI is great and all but it cant bend physics. If you want 98%+ health over 2 years, you manage it. It doesn’t matter how great AI is compared to a human, what it is is an extension or buffer to keeping the battery capacity as high as possible. It shouldn’t be stressed about; obviously. The large majority charges their phone whenever with a screen timeout of like 5 minutes.

  50. Josh Smith on October 17, 2022 at 6:25 am

    a replacement battery isn’t that costly..25 dollars? And however much to install. I think my batter health low cuz it takes longer than usual to charge.

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