These are product reviews: [See video review. Transcript Follows. Executive summary: it's pricey but really delivers on features. It delivers 100W on its USB-C port (and I test that in the video) and the display gives you lots of details on what's going on. It's my new go-to for travel.]

Let’s look at this Storm 2 Slim power bank. This thing is neat. First thing you’ll notice is this great display. I’ll discuss that in detail shortly. Second, this isn’t a boring black box. They gave this a clear polycarbonate case and you can see everything. The cells are purple, circuit board is black, and accents are aluminum and white. It looks amazing.

You can see here its USB type A output and USB type C input and output. Compared to its big brother, the Storm 2, the slim model is slightly taller and longer but substantially thinner. For me this is easier to find room for in a bag. You can see the Storm 2 has battery eight cells while the slim has four, but the slim’s individual cells are thicker. The big model has the same A and C ports as the slim model, plus two additional ports, a second USB-C out and a barrel jack DC output.

In terms of weight, the slim model 450 grams or just shy of one pound. Compared to the Storm 2 it’s 144 grams lighter, or about a third of a pound.

Let’s plug some things in. For best performance with USB type C devices you need to use a type-C to type-C cable like this yellow one that comes with the power bank. USB type C can run at higher voltage and that’s why you can get a hundred watts th