Can it hurt to charge the iPhone with the iPad power adapter? - I was asked this question the other day. And as you know from my previous blog posts, I like to experiment with chargers, power banks, charging cables and the like. However, it doesn't take a big experiment to say: No damage will be done if you charge the iPhone with the iPad charger. On the contrary, the Apple smartphone tends to charge faster. I have compiled the details for you below.
Chapter in this post:
Why a powerful charger won't harm the iPhone
For example, the iPhone 11 from 2019 only comes with a 5-watt charger. The fast charging function of the Apple smartphone only works with a charger with 18 watts or higher. This is included with the iPhone 11 Pro (Max), for example, which can recover up to 50% of the battery in 30 minutes without an additional power supply unit. For this reason alone, you should use more powerful chargers on most iPhone models; because they can take more power!
And even if the charger goes beyond the limit of the iPhone, for example the 30 watt USB-C power adapter for the iPad Pro, that's not a problem. If you use this instead of the 18 watt USB-C power adapter, the iPhone still only consumes 18 watts; or less if it is an older model. Today's technology is smart enough to negotiate with one another what the charger delivers and what the end device can take;)
My tip: Charge your iPhone with the iPad power supply!
According to the technical possibilities as well as recommended by me, you can and should charge your iPhone with the iPad power supply. Ideally, that's exactly why you make sure that you can finally use the smartphone's quick charging function. In any case, it will charge faster than with the original iPhone power supply that came with it. Well, at least if you don't have a current Pro model: D
Accordingly, it is of course also possible to use a powerful power supply unit that does not come from Apple itself to charge the iOS smartphone. From my own experience, I can recommend this to you, for example AUKEY PA-D5 with 60 wattswhich Anker PowerPort III mini with 30 watts As well as the Anker PowerPort Atom III with 60 watts. You can use the 60W parts on the MacBook in addition to the iPhone and iPad;)
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Jens has been running the blog since 2012. He acts as Sir Apfelot for his readers and helps them with technical problems. In his spare time he rides electric unicycles, takes photos (preferably with the iPhone, of course), climbs around in the Hessian mountains or hikes with the family. His articles deal with Apple products, news from the world of drones or solutions to current bugs.
Any quick charge will damage the battery. A LiION battery lasts longest when it is charged slowly and only up to 80-90%.
Yes that's right. But iOS takes care of the battery quite well. For example, fast charging is not carried out at every battery level in order to conserve the battery. There is also this feature that the iPhone recognizes when you get up regularly and charges only 80% and then does the rest just before getting up. And on top of that, charging via the old iPad power supply with USB-A connection is nowhere near as fast as via the new USB-C power supply of the iPad Pro. So if you're using an iPad power adapter with a USB-A connector, you're still a long way from true "fast charging" that fills 50% of the battery in 30 minutes. So I wouldn't worry too much about it.
I can't (yet) observe that with the feature that the iPhone intelligently charges up to 80% and then waits to get up normally. The cell phone is staked out during the week in a time window of a maximum of 30 minutes. Do you know how long iOS has to learn the rhythm?
The feature is only available on iOS 13. Have you installed that? There is no statement as to how long it will take the iPhone to learn intelligent charging. At least not from Apple ... but some nerd will find out soon.
iOS 13.3 on an iPhone 6s
It should work there. But maybe iOS hasn't “got it” how regularly you get up. :D