Level 1

33 points

iPhone 12 Pro charging slowly with Magsafe charger

I bought the MagSafe charger with the 20w brick this week and have been used to charging the iPhone XS, it’s noticeably slower as usual since it’s not compatible.

But my iphone 12 pro arrived today and added my MagSafe clear case and have been using the MagSafe charger with the 20w. It was a 61% battery right at 4:00pm, when I checked at 4:30, it was sitting a 64%. I thought it was supposed to 15w superfast charge, am I missing something? Is it a Hardware defect, is it the MagSafe case? If i use my 20w usbc to usb lightning it would have been at 90% within that time frame, maybe my expectations were high, but even then the phone feels super hot to touch.

Everything’s apple branded.

So to recap Iphone 12 pro, with apple MagSafe clear case, with the MagSafe clear charger for the 12 pro and the newly released 20w power adapter. I used all of these and have noticed it’s still slow, ****, my Apple Watch series 6 reached a 100% before the phone did.

[Re-Titled by Moderator]

iPhone 12 Pro, iOS 14

Posted on Oct 23, 2020 3:05 PM

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Likewindboy625

Level 1

9 points

Posted on Oct 26, 2020 2:59 AM

Just left the Apple Store at Marina Bay. The Genius did a thorough check to my 12 pro and tried another MagSafe charger. It charged normally. So the outcome is the MagSafe charger I have is a defective unit. I've applied for a refund.

I would suggest anyone who has this issue to visit Apple Store, or just get a refund or exchange with the MagSafe charger.

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67 replies

Nov 6, 2020 12:56 AM in response to Iceman1331

All iPhones slow the charge rate above 75% to avoid overcharging. Fast charging is only spec’d to 50% in 30 minutes. From there it typically takes up to 2 hours to reach 100%.

Ropen Author

Level 1

33 points

Oct 23, 2020 8:45 PM in response to EndrBoy17

Hi, i did ended up taking the case off, still same results, when i checked my battery graph i realized it actually discharged when it was restarting, but it hasn’t been fully charged to 100% ever since I got it at noon and have been using the MagSafe charge the highest percentage on the graph was 71 and that’s it. Apple support so far wants me to restart the phone and start over to see what it could be done but i have to follow up with them in regards to check if it’s working after the factory reset

Ropen Author

Level 1

33 points

Oct 28, 2020 11:47 AM in response to Lawrence Finch

it’s just inconsistent.

When i wrote this article these were the results i was getting with my magsafe everything setup:

1-3w the 9w was a wired setup.

with the magsafe exchange i got yesterday i have seen some improvement, especially today this just happened right now

look at the changes

the apple rep and a few people here were suggesting the magnets in the magsafe were inducing watt output that wasn’t accurate but the rep pointed out it might take a couple of days for it to finally adjust, maybe it was my phone or some but at the end of the day, I’ll keep trying, i still have until november 10th to return it, so it doesn’t hurt to try it until then, if i don’t like i can return it for sure but I was frustrated it wasn’t working for the weekend since it was super slow

Nov 5, 2020 9:50 PM in response to Ropen

I just updated my iphone 12 Pro to ios 14.2, and tried the Magsafe charger again from the 75% level. It initially charged quite fast say 17% more in 30 min, then it started to charge slower and took almost an hour to add 25 % new charge to reach 100% level. This time the phone was not as warm as when it was in ios 14.1. There is little improvement, but charging still slow.

Nov 9, 2020 1:53 PM in response to Ropen

Very interesting, because I tested out MagSafe passing through the 12 Pro Max MagSafe clear case on my 11 Pro Max today (sat my 11 Pro Max inside the 12 Pro Max case since it fits loosely inside) and it went up 4% (62% to 66%) in 7 minutes (Then I ran the same test over lightning (still with the 20W brick) and it went up 7% (66% to 73%) in 7 minutes).

So that’s better speed charging my 11 Pro Max than your 12 Pro, and the 11 Pro Max has a much larger battery to charge.

Nov 19, 2020 10:06 AM in response to Iceman1331

I'm not using the Magsafe charger. I have the Magsafe case & when I use it with the Qi Wireless charger like I've done with other clear cases the charging was fine & it didn't get hot. Well it charges slowly with the Magsafe clear case, the phone & charger gets extremely hot. When I take off the there again the Magesafe clear case & put the phone itself on the Qi Wireless it charges ok & doesn't run hot. My only estimation is the Magesafe case guys.

Oct 23, 2020 5:31 PM in response to Ropen

It’s clearly not working right. Use the Contact Support link at the top of this page to discuss it with Apple’s tech support.

Ropen Author

Level 1

33 points

Nov 5, 2020 3:56 PM in response to Lawrence Finch

Currently trying out the latest iOS update 14.2 that fixes wireless charging, curious to see if anything changes on this.

Oct 24, 2020 8:48 PM in response to Lottie2020

I’m glad that I’m not alone. Got my iPhone 12 pro and the MagSafe charger 2 days ago, and used the MacBook 65W charger to charge my 12 pro without the case. After 20mins, the battery only went from 19% to 20% in 20 mins of charging. I switched to lightning charging and it worked fine.

Anyway, I’m meeting a Genius tomorrow and will bring my phone and MagSafe for inspection.

Oct 25, 2020 5:02 PM in response to Likewindboy625

I went to the Apple store this morning with appointment - love how they have it all set up for safe visit BTW.

I just ended up returning my 12 Pro, the Mag Clear Case and the Mag Charger. I can’t trust that slow charge and the heating up on the back of the phone.

The phone is great not giving up, I flipped back to my 11ProMax and will order the 12 Prox Max on 11.6 and see how that works out.

Store was suggesting to either do new phone but first try new accessories and I chose to just return for 12 pro m. when can pre-order. I think with Pro Max maybe will have chance of better battery life. We shall see.

Ropen Author

Level 1

33 points

Oct 28, 2020 10:50 AM in response to schja01

It baffles me how some youtube bloggers and other tech sites are getting 20w or 15w, when i tested my setup yesterday fresh from my genius bar appointment i got ranges from 11w to 9w but i don’t know how restrictive the entire setup can be.

I had battery optimization on, but seeing other review videos i saw how good their charge was all the way to 100%, still confused on why magsafe is not consistent

Mar 2, 2021 6:15 AM in response to Ach2005

That’s all nonsense. The phone is much better at protecting itself than you are at attempting to protect it. The absolute best thing to do for the phone is to enable Optimized Charging and charge the phone overnight, every night. If you do this there’s no real advantage to fast charging, but it won’t hurt, either. If the battery is low during the day (which is unlikely unless you are a very heavy user of interactive games or make long phone calls with a weak cell signal) you can fast charge it for a half hour (which will bring it to at least 50%).

Vignaraj

Level 1

4 points

Apr 30, 2021 7:50 AM in response to Ropen

I have the same issue...just bought magsafe with a 20w power brick...regretted buying the magsafe... i charged with magsafe for 30min ...n i only got 5 %...… really a disappointment...i got the same result trying it again n again...what kind of wireless charging is this...my morphie wireless charges better...

please do not buy this magsafe wireless charger...it is not 15w wireless charger...it was my biggest regret in buying apple product...furthermore here in malaysia you cant return it....it only could be sent for warranty incase there is a defect...

malecksa

Level 1

4 points

Oct 23, 2020 9:10 PM in response to Ropen

I’m having the exact same issue with my MagSafe charger and my 12 Pro. As of writing this, my phone has been stuck at 81% for the past 25 minutes. I left my phone on the charger for an hour earlier in the day and it only went from 70% to 74%.

Using a 20W brick as well. Very confused and frustrated right now.

Oct 24, 2020 7:18 AM in response to malecksa

Hi!

I started charging my i12Pro at 9am EST this morning on Mag charger, new 20W c Adapter, in clear case mag, & it’s sitting 50% and very warm to touch!

Very slow same issues as all

of you might be returning all of these accessories....

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iPhone 12 Pro charging slowly with Magsafe charger