Apple Shares Charging Details for New Dual USB-C Power Adapters

Following yesterday's launch of orders for the two new 35-watt dual USB-C power adapters introduced at WWDC, Apple has posted a new support document outlining how power is split when devices are connected to both ports.

apple dual usb c adapters
Under most scenarios, the 35 total watts will be split evenly between the two connected devices, with the exception being when one of the devices has relatively low power requirements, such as an Apple Watch or AirPods case.

  • If you connect a Mac notebook and an iPhone or iPad, each device receives up to 17.5W.
  • If you connect an ‌iPhone‌ and an ‌iPad‌, each device receives up to 17.5W.
  • If you connect a Mac notebook or ‌iPhone‌ and an Apple Watch or AirPods, the Mac notebook or ‌iPhone‌ receives up to 27.5W and the Apple Watch or AirPods receive up to 7.5W.

The standard version of the dual USB-C adapter is available worldwide and has a removable plug head for compatibility with international plug heads and extension cables. The compact version is only available in the U.S., Canada, China, Japan, Mexico, and a few other countries that use the Type A plug style. Both versions are priced at $59 in the United States, and the new adapters will ship with higher configurations of the new MacBook Air launching next month.

Popular Stories

2024 iPhone Boxes Feature

Apple Changes Trade-In Values for iPhones, iPads, Macs, and More

Thursday January 16, 2025 6:45 am PST by
Apple today adjusted estimated trade-in values for select iPhone, iPad, Mac, and Apple Watch models in the U.S., according to its website. Some values increased, while others decreased. The changes were not too significant, with most values rising or dropping by $5 to $50. We have outlined some examples below: Device New Value Old Value iPhone 15 Pro Max Up to $630 U ...
Generic iOS 19 Feature Mock Light

iOS 19 Leak Reveals All-New Design

Friday January 17, 2025 2:42 pm PST by
iOS 19 is still around six months away from being announced, but a new leak has allegedly revealed a completely redesigned Camera app. Based on footage it obtained, YouTube channel Front Page Tech shared a video showing what the new Camera app will apparently look like, with the key change being translucent menus for camera controls. Overall, the design of these menus looks similar to...
Generic iOS 18

Everything New in iOS 18.3 Beta 3

Thursday January 16, 2025 12:39 pm PST by
Apple provided the third beta of iOS 18.3 to developers today, and while the betas have so far been light on new features, the third beta makes some major changes to Notification Summaries and also tweaks a few other features. Notification Summary Changes Apple made multiple changes to Notification Summaries in response to complaints about inaccurate summaries of news headlines. For...
2024 App Store Awards

Apple Explains Why It Removed TikTok From the App Store in the U.S.

Sunday January 19, 2025 6:58 am PST by
Apple on late Saturday removed TikTok from the App Store in the U.S., and it has now explained why it was required to take this action. Last year, the U.S. passed a law that required Chinese company ByteDance to divest its ownership of TikTok due to potential national security risks, or else the platform would be banned. That law went into effect today, and companies like Apple and Google...
iPhone 17 Slim Feature Single Camera 1 Redux

'iPhone 17 Air' Launching Later This Year With These 10 New Features

Wednesday January 15, 2025 7:16 am PST by
While the so-called "iPhone 17 Air" is not expected to launch until September, there are already plenty of rumors about the "ultra-thin" device. Overall, the "iPhone 17 Air" is shaping up to be a mixed bag. Due to its thinness, the device is expected to have some limited specifications compared to the iPhone 17 Pro models, including only a single rear camera, only a single speaker, no SIM...
iPad Pro vs iPhone 17 Air Feature

Here's How Thin the iPhone 17 Air Might Be

Friday January 17, 2025 3:38 pm PST by
For the last several months, we've been hearing rumors about a redesigned version of the iPhone 17 that Apple might call the iPhone 17 "Air," or something along those lines. It's going to replace the iPhone 17 Plus as Apple's fourth iPhone option, and it will be offered alongside the iPhone 17, iPhone 17 Pro, and iPhone 17 Pro Max. We know the iPhone 17 Air is going to be super slim, but...
HomePod mini and Apple TV

Apple Expected to Launch 20+ Products This Year: Here's the Full List

Friday January 17, 2025 5:30 am PST by
2025 promises to be quite a big year for Apple, with the company rumored to be planning more than 20 product announcements this year. Apple's rumored smart home hub will be its second all-new product to launch in as many years, following the Apple Vision Pro headset last year. And of course, we will get several new iPhone and Apple Watch models, like every year. Beyond that, Apple could...
iPhone 17 Pro Dual Tone Horizontal Single Feature

iPhone 17 Rumored to Feature Major Thermal Design Upgrade

Friday January 17, 2025 4:33 am PST by
The iPhone 17 lineup will feature a vapor chamber heatsink to improve thermal performance, according to a new report. The news comes from Chinese tech news site MyDrivers, which claims that the entire iPhone 17 lineup, consisting of the iPhone 17, iPhone 17 Air, iPhone 17 Pro, and iPhone 17 Pro Max, will adopt the improved thermal heat spreader. Vapor chamber technology is already used...

Top Rated Comments

Smooch Avatar
34 months ago
Does it run iOS as well, like the Studio Display?
Score: 39 Votes (Like | Disagree)
Sebosz Avatar
34 months ago
They couldn’t male it 40W, so each device would receive 20W? Or 10/30 for watch and Mac/iPhone since 13 pro max can receive up to 27W.
Score: 15 Votes (Like | Disagree)
TheKerremenke Avatar
34 months ago
But can it power two homepod minis? That the big question. ;)
Score: 15 Votes (Like | Disagree)
Nimrad Avatar
34 months ago
I'm baffled they didn't do higher wattage. I know MBA is not exactly high-powered, but why not do a dual charger that could fast charge both an iPhone and the mac?

Also, and I almost can't believe I'm asking for this, but why do I have to get a charger bundled? I have 2 x 100w with triple USB-C and 1 USB-A. I don't need new chargers for the foreseeable future.
Score: 12 Votes (Like | Disagree)
TheYayAreaLiving ?️ Avatar
34 months ago

Does it run iOS as well, like the Studio Display?
Maybe the charger will help with running Stage Manager on non M1 iPads ?
Score: 10 Votes (Like | Disagree)
d5aqoëp Avatar
34 months ago
Next iPhone that is iPhone 14 will require exact 19.8524524858 W to charge at full speed otherwise it will default to slow 5W charging. Apple will also release a 39.7049049716 W dual adapter rendering current 35W adapter obsolete.

So all the suckers would have to re-buy the new 39.7049049716 W so that their shiny new iPhone 14 and 14 Pros continue to charge at optimum speed and also optimally reduce their battery health as per Apple's recommendations. New replacement batteries will also be in stock on day 1 along with super huge DIY kits.

This cycle will repeat at the release time of iPhone 15.
Score: 9 Votes (Like | Disagree)