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New Belkin 3-in-1 foldable charger gives your iPhone a full 25W [Review]

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Belkin UltraCharge 3-in-1 Foldable Magnetic Charger review★★★★
This Belkin charger wirelessly juices up an iPhone at the full 25W, and powers two other Apple devices as well.
Photo: Ed Hardy/Cult of Mac

The Belkin UltraCharge 3-in-1 Foldable Magnetic Charger quickly juices up your iPhone, plus it can power up your Apple Watch and AirPods at the same time. And with a folding design, it can stay on your desk or go on vacation.

I put the multidevice charger to the test in my home office. Here’s how it stood up in real-world use.

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Belkin UltraCharge 3-in-1 Foldable Magnetic Charger review

Frequent travelers know the pain of returning home only to realize the charger and cable they depend on daily is now sitting in a hotel room three states away. That’s why it pays to pack dedicated travel chargers instead of yanking the ones you use every day.

Plus, keeping a separate set in your suitcase means you’re never crawling behind your desk at midnight before an early flight. And you’re far less likely to show up on your trip having forgotten to grab a charger at all.

The Belkin UltraCharge 3-in-1 Foldable Magnetic Charger fits easily in a suitcase where it’ll always be ready to power up your iPhone, Apple Watch and AirPods on your next business trip, beach vacation or trip to Grandma’s.

Fast-charging 3-way
Belkin UltraCharge 3-in-1 Foldable Magnetic Charger with Qi2 25W
$99.99

Compact, foldable charger lets you fast-charge three devices simultaneously: iPhone, AirPods and Apple Watch. Belkin's ChillBoost tech keeps charger cool.

Pros:
  • Qi2 certified with 25W output
  • Available in three colors: black, blue or white
03/02/2026 10:30 am GMT

Table of contents: Belkin UltraCharge 3-in-1 Foldable Magnetic Charger review

Travel-ready design

Belkin UltraCharge 3-in-1 Foldable Magnetic Charger: Folded up
Belkin’s 3-in-1 charger folds down to fit in a suitcase.
Photo: Ed Hardy/Cult of Mac

The designers of this accessory prioritized making room for three Apple devices, durability and charging speed over making the smallest device possible. Yes, the charger folds, but it only gets down to 4.1 inches by 2.25 inches by 1 inch. And it weighs 0.4 pounds.

That said, it’s small enough for a suitcase, briefcase or backpack. And it feels very solid. The exterior is all plastic, but I’d have no concerns about tossing the UltraCharge 3-in-1 Foldable Magnetic Charger into a bag for a long holiday.

And Belkin included everything needed: a 4-foot, 8-inch power cable, plus a tiny, travel-friendly wall charger that puts out up to 45W.

It’s just a thought, but don’t get yourself locked into this being only a travel charger. It sat on my desk for a couple of weeks during testing and did a fine job there. It might be what your office or nightstand needs.

Room for all your mobile devices

Belkin UltraCharge 3-in-1 Foldable Magnetic Charger: Three charging mats
Your iPhone, Apple Watch and AirPods can all get power from this one Belkin charger.
Photo: Ed Hardy/Cult of Mac

Open the clamshell of the Belkin UltraCharge 3-in-1 Foldable Magnetic Charger and it becomes a stand ready to juice up an iPhone. The handset clings magnetically to the charging mat, starting the transfer of wireless power, and I can easily switch the screen from landscape to portrait.

Magnets hold my iPhone 17 tightly to the charging stand. I can tap on the screen and it won’t slip off. Plus, the stand is perfect for StandBy mode, so you can use your iPhone as an alarm clock so you don’t miss your flight.

Belkin built its ChillBoost technology into this charging mat. It dissipates the heat generated by wireless charging, since heat is bad for your iPhone’s battery.

An Apple Watch charger folds out from behind the iPhone charger. Simply place the wearable on it, and it’ll get power — there’s plenty of room for the band.

The only drawback of this arrangement is that I can’t use the Apple Watch Nightstand mode. The Watch’s screen faces upward, not toward me.

Opening the accessory’s clamshell exposes a third charging mat. Belkin intends this for your AirPods case … assuming you have one that supports wireless charging. This is the only one of the three charging spots without magnets.

25W iPhone charging performance

Last year, the Wireless Power Consortium introduced the Qi2 25W standard, accelerating wireless charging by up to 40%. The Belkin UltraCharge 3-in-1 Foldable Magnetic Charger supports this standard.

I tested to be sure with my iPhone 17. In several test runs, I got about a 50% charge in half an hour, and about 80% in an hour — the iPhone always slows down its charging rate as it nears 100%.

For comparison, my iPhone 17 battery goes up about 58% with a USB-C cable in a half-hour, just slightly faster than using the Belkin charger.

Clearly, ChillBoost is working. I measured the temperature of the phone and charger before and after juicing the iPhone up 65%, and the increase was less than 10 degrees.

Moving to the other two chargers included in Belkin’s accessory, my Apple Watch SE 3 went up roughly 63% in half an hour with its charger. That’s quite a decent rate, though Apple’s own charger boosts the battery to more than 70% in that same time.

When I put my AirPods 4 case on the Belkin charger’s third charging position for half an hour, the case’s battery level increased 54%.

I confirmed that, in a pinch, this third mat can be used to power up a second smartphone. It maxes out at 5W, though, so it might take all night. Still, any charger in a crisis.

Belkin UltraCharge 3-in-1 Foldable Magnetic Charger review: Final thoughts

Belkin UltraCharge 3-in-1 Foldable Magnetic Charger: in use
Stop plugging in your iPhone … just put it on this convenient charging stand.
Photo: Ed Hardy/Cult of Mac

When you are on vacation, you depend on your iPhone, Apple Watch and AirPods. Don’t let charging them become an afterthought. With a well-designed travel charger, like this one from Belkin, you can start each day with your devices ready to go.

★★★★

Pricing

The Belkin UltraCharge 3-in-1 Foldable Magnetic Charger sells for $99.99.

Fast-charging 3-way
Belkin UltraCharge 3-in-1 Foldable Magnetic Charger with Qi2 25W
$99.99

Compact, foldable charger lets you fast-charge three devices simultaneously: iPhone, AirPods and Apple Watch. Belkin's ChillBoost tech keeps charger cool.

Pros:
  • Qi2 certified with 25W output
  • Available in three colors: black, blue or white
03/02/2026 10:30 am GMT

Belkin provided Cult of Mac with a review unit for this article. See our reviews policy, and check out more in-depth reviews of Apple-related items.

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