Using a 30 WATTS Charger with the iPad Pro ?

Discussion in 'iPad' started by augustya, Dec 8, 2018.

  1. augustya macrumors 68030

    augustya

    Joined:
    Feb 17, 2012
    #1
    What do you guys think about this ? There are some Over Enthusiast YouTubers who slam Apple for giving a ever slow Charger of 18 Watts with the iPad Pro. Some are suggesting the Anker 30 Watts Charger for Fast Charging. is this safe for the batter of the iPad ? is this recommended to use a third party fast charger which is other than Apple Provides with its device ? is this not hazardous to your device ?
     
  2. Newtons Apple macrumors Core

    Newtons Apple

    Joined:
    Mar 12, 2014
    Location:
    Jacksonville, Florida
    #2
    The iPad will regulate the amount of charging. The 30 watt charger should be just fine.
     
  3. YourArsenal87 macrumors newbie

    Joined:
    Nov 25, 2018
    Location:
    Stockholm
    #3
    It works fine and I do believe it charges sligthtly faster than the included 18 watt. Mind you, fast charging any battery will reduce capacity quicker, same deal with an iPhone or whatever. So if you really want to maximize battery life, just use the included charger. Not sure how big the difference is though, probably pretty small and I wouldn’t worry about it either way.

    Youtuber’s got to have something to complain about I suppose ‍♂️
     
  4. zhenya macrumors 603

    zhenya

    Joined:
    Jan 6, 2005
    #4
    Will have no impact on overall battery life. Even fast charging here is incredibly slow compared to what the same battery technology handles in other applications.
     
  5. augustya thread starter macrumors 68030

    augustya

    Joined:
    Feb 17, 2012
    #5
    lol ! So then why take the risk !!
     
  6. zhenya, Dec 8, 2018
    Last edited: Dec 8, 2018

    zhenya macrumors 603

    zhenya

    Joined:
    Jan 6, 2005
    #6
    I think maybe I wasn’t clear.

    Fast charging with 30 or 36W on the iPad is MUCH faster than using the 18W included charger, but compared to what this battery tech is exposed to in other applications, even 36W is no big deal - the batteries are designed to handle that and even much more. So there is no point in not fast-charging if you have the option. There is no additional risk to your device.
     
  7. d5aqoëp macrumors 6502a

    d5aqoëp

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    Feb 9, 2016
    #7
    From my experience of using 3 iPhone X in our house with 3 Apple's 29W USB-C chargers up till July 2019 and 3 Apple's new 30W USB-C chargers till today exclusively, our phone's battery lives as per the battery setting are 99%, 99% and 97% respectively. In the whole year, we may have charged our phones using regular 5W charger just once or twice.

    The newer battery tech coupled with software optimizations in iOS 11/12 make no big deal out of Fast Charging.

    We charge our phones at 11pm and remove them from charger at 7am. Our phones are always between 30-40% at night.

    I charge my 10.5" Pro with Fast Charger all the time. In fact, we don't have regular chargers in our house any more. I have recently found this 30W fast charger from UGreen on aliexpress app. It was barely $12 on 11.11 sale. It also charges our X from 0-100% in exactly 2 hrs.
     
  8. BoneHead001 macrumors 6502

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    Livonia,MI
  9. ericwn macrumors 68000

    Joined:
    Apr 24, 2016
    #9
    I think fast charging worked already nicely 3 years ago with the first Pro and it has not stopped since then.

    Could you elaborate more on these software optimization you suspect to be in iOS 11/12 with respect to charging? I was under the impression that the charging is largely handled by the device firmware and don’t see anything in iOS that would improve fast charging.
     
  10. gsmornot macrumors 68030

    gsmornot

    Joined:
    Sep 29, 2014
    #10
    If your phone is on the charger 8 hours a night you don’t need a fast charger. The included 5w would work fine for your needs. Having the fast charger is just fine but the point is a fast charge because you’re short on time.
     
  11. TheRealAlex macrumors 68000

    Joined:
    Sep 2, 2015
    #11
    Normally charging the iPad Pro via the 18 Watt included Charger will provide its longest and healthiest charge.
    Less heat in, lower amps are better for overall longevity.

    I can’t see a use case scenario that requires me to need a quick charger for my iPad Pro. A cellphone yes.

    As a side note, I connected my 11” iPad Pro to my PC via USB 3.1 A port to USB-C it must have taken all night for a 5Watt charge to trickle charge it all night. But it managed and ended up deliverying over 12 Hours battery life.

    I’d trickle charge it every night if possible.
     
  12. zhenya macrumors 603

    zhenya

    Joined:
    Jan 6, 2005
    #12
    No real world evidence of this. Even at 30W the charge rate is far below what this battery tech sees in other applications. The iPad has essentially a laptop sized battery, and few laptops charge at under 45W. FWIW I have primarily trickle charged my 12” MacBook for over 3 years and it has by far the worst battery degradation of any electronic device I’ve ever owned.
     
  13. d5aqoëp, Dec 9, 2018
    Last edited: Dec 9, 2018

    d5aqoëp macrumors 6502a

    d5aqoëp

    Joined:
    Feb 9, 2016
    #13
    Still I need fast charger. I also need it for all my trips.

    The charging values are hardcoded into iOS. It charges slower and slower as battery charge nears 100%. This helps to protect battery’s life and to reduce heat.

    On iPhone X, the following USB PD profiles are used:
    0%-50% charges at 10v x 1.5A = 14W to 15W (usually takes about 30 minutes)
    51%-90% charges at 5v x 1A = 4.5W to 5W (usually takes about 60 minutes)
    90%-100% charges at 5v x 0.5A = 2.5W (Takes 30 - 45 minutes depending on your battery’s health)

    Even if you get 10v x 1.5A = 15W (Volt x Ampere = Power), Power will always be lower than 15W because some of the energy is lost as heat. (Phone heating up slightly, etc, etc)

    All iPad Pros (Except 9.7” Pro) use 15v x 2A = 30W USB PD profile for initial 0%-50% fast charging.
    This is as detailed as you can get.
     
  14. ericwn macrumors 68000

    Joined:
    Apr 24, 2016
    #14
    And if I charge my device when off there is no iOS running. I can have zero data on the device and it charges still. Hence my point that charging is taken care of by the firmware, not the OS.
     
  15. DoubleFlyaway macrumors 6502a

    DoubleFlyaway

    Joined:
    Nov 16, 2017
    #15
    I almost always use that charger. I got it for my 2017 12.9 and my iphone 8 plus last year. There was no reason not to use it for the 11 inch when i got it.
     
  16. charlituna macrumors G3

    charlituna

    Joined:
    Jun 11, 2008
    Location:
    Los Angeles, CA
    #16
    If you are using an Apple charger. or a certified MFi charger. If you are using any old cheap ass charger who knows. So it’s a good idea to keep an eye on it the first couple of times to make sure nothing goes south
     
  17. augustya thread starter macrumors 68030

    augustya

    Joined:
    Feb 17, 2012
    #17
    For a 1K USD item I will be very careful with taking an adventurous step.
     
  18. DoubleFlyaway macrumors 6502a

    DoubleFlyaway

    Joined:
    Nov 16, 2017
    #18
    It’s fine. People have been using this charger on iPad pros for a long time now.
     
  19. ericwn macrumors 68000

    Joined:
    Apr 24, 2016
    #19
    People used the 12” MacBook’s charger on iPads since 2015. I don’t remember any forum members with a broken battery from that usage.
     

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