Belkin’s Stage PowerGrip has shown me that I should be asking more from a wireless magnetic power bank than just boosting battery life while it hangs off the back of my phone. Its clever design adds layers of extra functionality, and the inclusion of a retractable two-way charging cable expands the number of devices you can charge without always having to remember to pack a cord. It also improves your smartphone’s ergonomics when taking photos, but that’s one of a few places where the PowerGrip’s functionality feels disappointingly limited.
The PowerGrip is much chunkier and heavier than I expected, which turned out not to be a bad thing. At 272 grams, most of the PowerGrip’s weight comes from its 9,300mAh battery, but I wouldn’t opt for anything smaller because I like knowing I’ve got enough power to fully recharge my iPhone with headroom to top off other devices like my watch and earbuds.
There are lighter wireless power banks available with more capacity, but the PowerGrip’s heft has some benefits. Most consumers will buy the accessory to make their smartphone feel more like a digital camera, and the PowerGrip mostly delivers. It attaches to the back of any Qi2, MagSafe, or Pixelsnap-compatible smartphone. The magnetic connection feels secure but doesn’t feel quite as strong as the PopSocket I regularly use. I’m not worried my iPhone is going to fall off on its own, but accidentally bumping my phone while I’m only holding the PowerGrip could send my device tumbling.
The protruding grip is sizable and makes your phone feel like a sturdy DSLR. I’ve never found a comfortable one-handed way to shoot with my iPhone that also feels secure, but it’s easy with the PowerGrip, and its weight adds some welcome stability that usually requires two hands.
The design allows the PowerGrip to stand on its edge and function as a smartphone stand. You can attach your phone and make hands-free recordings or video calls, or take advantage of iOS’ StandBy mode on your bedside table. It’s functionality I never intended to use, but have found myself using quite frequently.
The PowerGrip has a dedicated shutter button that connects to your smartphone over Bluetooth. Pressing it once snaps a photo, while holding it down triggers a video recording until released. I would prefer the button positioned at the top of the grip instead of its front edge. I also frequently found myself missing the additional settings dials on my Sony mirrorless camera that are conveniently located within thumb’s reach.
There are other smartphone camera grips, like the Fjorden Pro and the magnetic Leica Lux Grip, that feature more controls, including customizable dials and two-stage shutter buttons for controlling focus. They’re both considerably more expensive than the $80 PowerGrip, and those added controls only work with third-party camera apps, so I understand Belkin’s decision not to take that approach. But with the PowerGrip attached and hanging a half-inch off the bottom of my iPhone 16 Pro, my thumb struggled to reach the onscreen controls in the iOS camera app without awkwardly adjusting my grip. More often than not, one-handed shooting still required screen taps from my other hand, which I found frustrating.
Even more frustrating is the PowerGrip’s power output. Wireless charging rates are limited to just 7.5W, which feels glacial when Belkin has already implemented faster 25W Qi2.2 rates on other chargers. It takes hours to fully charge my iPhone, and it’s not much faster switching to a cable. The PowerGrip has an additional USB-C port and a built-in 30-inch USB-C charging cable. Belkin says the power output maxes out at 15W, but I measured a little over 18W while charging a OnePlus 12 with Plugable’s USB-C voltage meter. However, that output is shared when charging three devices simultaneously. Charging rates for the OnePlus 12 dropped to less than 5W while also wirelessly charging my iPhone and a Kobo e-reader using the retractable cable.
Compared to more expensive camera grip accessories like the $395 Leica Lux Grip or the $149.95 ShiftCam ProGrip that only feature batteries to power themselves, it’s understandable that Belkin had to settle for some compromises to get its Stage PowerGrip on shelves for $79.99. You’ll just want to really take those compromises into consideration when deciding if it’s worth it for you. If you like a lot of functionality in one accessory, it’s worth considering. If you want more charging performance or a grip with more photography-focused functionality, you’ll be better off juggling multiple accessories.
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