iPhone 16 Pro Rumored to Support 40W Fast Charging and 20W MagSafe (2024)

by Tim Hardwick

Apple's forthcoming iPhone 16 Pro and iPhone 16 Pro Max will support 40W wired fast charging and 20W MagSafe charging, claims a rumor currently swirling around China.

iPhone 16 Pro Rumored to Support 40W Fast Charging and 20W MagSafe (1)
Right now, iPhone 15 and iPhone 15 Pro models are capable of up to 27W peak charging speeds with an appropriate USB-C power adapter, while official MagSafe chargers from Apple and authorized third parties can wirelessly charge the iPhone 15 models at up to 15W. All four iPhone 15 models can charge up to 50% in around 30 minutes with a 20W or higher power adapter, which is the same as Apple's previous iPhone 13 and iPhone 14 models.

According to ITHome, that's set to change for the Pro models in Apple's upcoming iPhone 16 lineup, with a boost to 40W wired and 20W wireless charging in order to "balance and improve the problem of increasing charging time caused by the increase in battery capacity."

This rationale relates to another rumor that – with the exception of the iPhone 16 Plus – models in Apple's ‌iPhone 16 series will feature larger batteries than their predecessors.

The claim about increased charging wattage resurrects a similar rumor we covered here at MacRumors almost a year ago, when it was reported that the iPhone 16 lineup would adopt stacked battery technology, alongside 40W wired charging and 20W charging via ‌MagSafe‌. Stacked batteries can result in a higher capacity and longer lifespan.

It's unclear why the rumor is again doing the rounds in Asia, but given that we are only two months out from Apple unveiling its new flagship devices, there could be something in it. The iPhone 16 series is expected to be released sometime around mid-September.

Related Roundup: iPhone 16 Pro

Tag: MagSafe Guide

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Top Rated Comments

klasma

1 day ago at 04:24 am

Eventually they’ll reach MagUnsafe.

Score: 12 Votes (Like | Disagree)

MilaM

1 day ago at 04:06 am

I love wired fast charging. It is a nice quality of life improvement. After upgrading all my charging stations to capable USB-C chargers, I stopped using wireless charging, at least at home. It's much more convenient in my opinion. I never charge overnight though.

Score: 7 Votes (Like | Disagree)

kirk.vino

1 day ago at 04:29 am


iPhone battery got improved from iPhone XS and iPhone XS Max when 3D Touch hardware was removed in iPhone 11 Pro and iPhone 11 Pro Max...

Look at what MagSafe did with iPhone 12 series battery... It reversed the battery improvement and made worse by 5G network use...

Since cable charging is still faster, Apple should get rid of MagSafe and focus on increasing the battery capacity instead...

MagSafe had nothing to do with anything. The 12 series had notoriously small capacities of those batteries. Jonathan Ivy was still the chief designer at Apple at the time, so they prioritized the thinness and weight over functionality on the 12 series. The 13 series had significantly larger batteries in comparison and it was a big improvement in that department.

Score: 6 Votes (Like | Disagree)

Justin Cymbal

1 day ago at 04:19 am

My iPhone 13 Pro already charges relatively quickly up to 80% - after 80% the charging speed drops dramatically

I almost always plug in my iPhone just before it drops below 20% because I read online that it’s bad for the battery to let the phone go below 20% (or above 80%)

My iPhone 13 Pro doesn’t have the 80% limit setting as an option so I make sure to unplug it around 77% (if I’m planning to use it more throughout the day) with the intention of plugging it in right before I go to bed and that way it only crosses the 80% threshold once instead of multiple times, to help with the battery health (considering it doesn’t have the 80% limit setting)

My second phone is the 15 Pro Max (which probably charges faster than my 13 Pro) but considering my 15 Pro Max has the 80% limit setting on, it charges so quickly that I don’t even realize how fast it charges until when I look at the screen (it tells me when it turned off low power mode - a way of viewing how long ago it finished charging) sometimes it says low power mode turned off two hours ago (because it hit 80%)

Score: 5 Votes (Like | Disagree)

contacos

1 day ago at 04:45 am

Meanwhile I am still using my old 5W charger on the iPhone 15 Plus and it is still at 100% after nearly a year.

I never use MagSafe charging because it makes my phone hot AF and that cant be "healthy" for the battery and I personally think this is the reason my previous iPhone 12 PM battery got "fried" so quickly.

Score: 4 Votes (Like | Disagree)

WarmWinterHat

1 day ago at 04:20 am

I only charge at night and never need to during the day except when traveling. This will be a welcome addition!

Score: 3 Votes (Like | Disagree)

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iPhone 16 Pro Rumored to Support 40W Fast Charging and 20W MagSafe (15)

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iPhone 16 Pro Rumored to Support 40W Fast Charging and 20W MagSafe (2024)

FAQs

Is a 40W charger bad for iPhone? ›

No, it will not harm your iPhone.

Can I use 40W charger on iPhone? ›

40W USB-C charger dual ports ensures iPhone 12 series receive their maximum optimum charge. Three times as fast as the stock 5W wall charger. Efficient charging means less wait.

Does the 30W charger charge iPhone faster than 20W? ›

In terms of practical performance, the iPhone charged with the 30W charger achieved a full charge from 0% to 100% in just 2 hours and 12 minutes, whereas the 20W charger took 2 hours and 20 minutes, indicating a negligible difference of less than 10 minutes between the two.

Can I use MagSafe with 20W charger? ›

Set up your MagSafe Charger

Connect the USB-C connector on your MagSafe Charger to a recommended 20 watt (W) or greater Apple USB-C power adapter or compatible third-party USB-C adapter. You can also connect to a USB-C port on a Mac or PC.

Will a 45W charger hurt my iPhone? ›

So, if you have a 45W charger and a 25W phone, there's no harm in using the 45W charger. You may see slightly faster charging speeds, but it's not going to hurt your phone.

Does fast charging hurt the battery? ›

Fast charging has little impact on battery capacity, battery health, or long-term loss of vehicle range. Several studies have been conducted to look for a potential link between fast charging and battery degradation. However, each study shows minimal overall impact on battery degradation.

Do higher watt chargers damage the battery? ›

Most devices draw current as needed, meaning they will only use as much power as they are designed to, regardless of the wattage of the phone charger. This means that you can typically use a higher-wattage phone charger without damaging your device, although there might be certain exceptions.

Can I use a 100W charger for my iPhone? ›

As long as you have a USB-C port it's perfectly safe.

What is the maximum wattage for fast charging iPhone? ›

To fast charge, you need an iPhone 15 model with a USB-C cable like the one that came in the box or an earlier iPhone model with a USB-C to Lightning cable and one of these adapters: Apple 18W,* 20W, 29W, 30W, 35W, 61W, 67W, 87W, or 96W, or 140W USB-C Power Adapter.

What is the max watt for MagSafe? ›

The Apple-certified MagSafe wireless charging products can also charge at the highest speed of up to 15 watts, while those without the official certification are usually limited to 7.5 watts.

Is it better to charge an iPhone with MagSafe or Lightning cable? ›

Slower Speedthan Wired Charging: While MagSafe charging is faster than traditional Qi wireless charging, it generally does not match the speed of Lightning wired charging. Limited Compatibility: MagSafe is only compatible with iPhone 12 and later models.

Why is it called MagSafe? ›

The term MagSafe is essentially a portmanteau of 'magnetic connection' and 'safe disconnection'.

Is it bad to charge iPhone at 40? ›

At What Percentage Should I Charge My Phone? For optimal battery health, it's recommended to charge your phone between 20% and 80%. It's best to avoid extremes, such as letting the battery reach 0% or consistently charging it to 100%.

How many watts is OK to charge iPhone? ›

Since the best an iPhone can support is 20W, you should go with the 20W Apple power adapter. The higher-power adapters are for the iPad or MacBook. Also, you need a USB-C to Lightning cable.

Can I use a 40 watt charger for my iPhone 15 Pro Max? ›

iPhone 15 Charger - Latest Version【Apple MFI Certified】40W PD USB-C Charger Plug with 1M Braided USB-C to USB-C Charging Cable, Compatible with iPhone 15/15 Pro/15 Pro Max, iPad Pro/Air/Mini and More.

Is 45 watts safe for iPhone? ›

Will it be safe or will it cause damage to the battery? You can use the 45W charger. However the iPhone will only charge at ~28W to reduce stress on the battery thus prolong battery lifespan.

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