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richard371

macrumors 68040
Original poster
Feb 1, 2008
3,609
1,802
It would be nice to only carry 1 charger. Will the 12 watt charger damage the phone/battery?
 

wacky4alanis

macrumors 6502a
Mar 18, 2009
555
79
I have heard it is fine. I know my wife is constantly charging her iPhone 4 with my iPad adapter, and it hasn't been a problem yet.
 

204353

Cancelled
Jul 13, 2008
955
117
Completely safe and within Apple's specs. Don't expect it to charge any faster, however, since the iPhone won't draw any more power than it would with the included 5W charger.
 

ARSC

macrumors 6502
Jun 27, 2010
450
35
Last couple of days charging my iphone 5 with the ipad 3 charger.

It charges faster.
 
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5105973

Cancelled
Sep 11, 2014
12,132
19,733
I was just using my iPad retina mini charger to charge my new 6 plus. It got really hot. So I unwrapped the charger that came with the phone and put it on that and now it's charging cool. Of course my phone is new and may have been doing something in the background I wasn't aware of. And my mini battery drains fast these days so maybe there's something wrong with the charger, which also felt very warm while charging then phone. At any rate I'm sticking to the new charger for my new phone. I'm interested in reading what you more knowledgable forum members have to say. An engineer, I am most assuredly not.
 

ZebraDude

macrumors 65816
Sep 7, 2014
1,389
814
Naperville, IL
It would be nice to only carry 1 charger. Will the 12 watt charger damage the phone/battery?

I only use my Apple 12V charger and from what I learned it charges my iPhone 6P faster so it makes me happy. My understanding is that the 6 or 6P are the only Apple phones that can make use of higher charging rates of the 12-10v chargers.

:cool:
 

MacTechnics

macrumors 6502a
Sep 26, 2014
697
973
I went to the Apple store a couple of days ago and asked an employee there and he confirmed the 12W charger charges the Plus faster. I bought it and it does charge it faster. WAY faster.
 

TXCiclista

macrumors newbie
Jul 10, 2011
12
0
I only use my Apple 12V charger and from what I learned it charges my iPhone 6P faster so it makes me happy. My understanding is that the 6 or 6P are the only Apple phones that can make use of higher charging rates of the 12-10v chargers.

:cool:

This doesn't appear to be the case. I've tested my 6 pretty extensively and it tops out at 1A when charging, no matter what the source. The 6+ might be different, but unless my ammeter is broken, the 6 is capped at 1A.

----------

Yes, it is much faster. a fully charged from under 10% for my IP6 on 12w is just a bit over an hour.

I want to see screenshots of that (well, a retest). In every test I've run with 2.1A chargers, the IP6 has capped at 1A when charging. It should take closer to 2 hours to get a full charge from 10%. 10% to 90% would be about 1.5 hours. It's certainly possible my tests are flawed, but I'd want to see actual "screenshot evidence" of a one-hour 10% to 100% charge.
 

BigMar89

macrumors 6502
Jun 15, 2013
332
42
Seattle, WA
I've used and while it indeed charged it faster I've noticed my battery usage has decreased dramatically in the last 2 days on my 6 Plus. I haven't changed my usage habits and no longer getting those 12 hour usage with 30 hours standby stats. Last charge got me only 9 hours usage and 18 hours standby.
 

fedecape

macrumors 6502
Oct 23, 2011
414
32
Miami, FL
Yes, no problem.

It charges faster because it has enough power to charge the battery (5W) and also provide power to run whatever is running on the phone without draining the battery.
 
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zakarhino

Contributor
Sep 13, 2014
2,480
6,710
Because the iPad charger is 2.1amp. Go check the one that comes with each iPhone since 5: 1 amp.

My car charger is 2.1amp and it charged my 6+ super fast.
 
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