You can find this review in full at GBAtemp.net:
https://gbatemp.net/review/shargeek-storm-2-power-bank.2305/

Out of the box the Storm 2 is impressive. You have a 25600mAh (93.5Wh) battery that’s capable of up to 100W charging on the go. You get an impressive array of ports, including two USB Cs and a USB A each rated for different power outputs, and an interesting DC barrel port that can be configured to your needs. Add to this an IPS display and striking design and you have a stellar all rounder to keep with you as you go about your day.

The screen is probably the most interesting feature on offer here, and I really appreciate the information it shows. You get a constant view of the current input and output rates, the remaining charge of the battery, and the internal temperatures. As well as this, you have a timer that shows how long the device has been active for. Everything on the battery is controlled by a single button, with pressing it generally moving through menus, and holding it confirming a selection. There’s not all that much to do on the settings screen, but one area of note is the DC output configuration that allows fairly granular control of the output voltage between 3.3V and 25.2V in 1V or 0.1V increments. This is unfortunately one thing I wasn’t able to test but I can see how this would be useful for older devices. It should be noted that if you are using the DC output, you won’t be able to use any of the other ports though.

Now in terms of usability, you would expect the Storm 2 to be compatible with all your major devices. It’s advertised to work fine with MacBooks, phones, tablets, and the like. From what I’ve tried, it does work with the vast majority of devices I have. It has no issues charging my ROG Flow Z13 tablet at 65W alongside my phone. There is however one notable device the power bank doesn’t appear to work with: the ROG Ally. Having looked into this online, there’s speculation that the 65W protocol supported by the Storm 2 isn’t supported by the Ally. You can get it working by having some kind of dock or dongle with pass-through charging, with a cheap one I have on hand happy to charge at 50W. This kind of incompatibility is a real shame to me, with these handheld gaming PCs being a prime candidate for a decent power bank. It’s worth noting that it functions fine with both the AYANEO 2 and the Steam Deck though.

Outside of the screen and unique design, one of the major aspects you’re paying for is the ability to be charging up to three devices at once. While I have found one issue noted above, I’ve found no further incompatibilities using the two USB C ports and single USB A port in tandem. I do feel one area they could have improved on is in labelling these ports with their input and output limits though. There’s plenty of space on the side, and they already label the ports as C1, C2, and A. That little bit of extra information would go a long way in making this device easier to pick up and use, instead of needing you to keep documentation handy or be plugging and unplugging devices and watching how fast they charge using the screen.

Alongside the Storm 2, Shargeek sent over a cute 67W GaN charger that I do just want to mention briefly since I don’t really think there’s enough there to warrant its own separate review. Styled after an old Mac, you get three USB C ports that can output up to 67W between them. The screen will show you the current output, which is really neat. They really did a great job with the aesthetics, and for a multi-port GaN charger, $70 isn’t all that bad of a deal. You could get similar performance from places like UGREEN for around $50, so I could see justification for the extra $20 for the desk style points and display. I used this to charge the Storm 2 with no issue, and coming from an admittedly old Micro USB power bank, it was refreshing to see just how quickly it charged. At 67W, it’s not even the limit of what the Storm 2 is capable of. Sadly I couldn’t find the 100W plug I bought for my older Xiaomi review though, so this was as good as it got.

At $230 I don’t think the Storm 2 is priced into obscurity, but it’s high enough that you really need to question whether you’ll be using everything it offers. If you can see yourself needing to charge multiple devices at once, monitor various stats, power older devices with the DC barrel port, or even just want a power bank that stands out a bit. The Storm 2 might just be worth it. It’s not the best value if all you care about is good capacity and fast charging, but it does a good job of carving a niche for itself in this ever-growing market.