TL;DR: Get your charge on with the TAU 3-in-1 Power Bank, on sale for just $23.99 — a 17% savings — as of Sept. 15.
Standard power banks are simply too bulky. Plus, they’re never actually charged when you need them. That’s why the TAU 3-in-1 Power Bank really stands out in an overcrowded sea of portable chargers.
The TAU Power Bank is equipped with cables for Lightning, MicroUSB, and USB-C enabled devices. So, it can pretty much charge any of your devices — iPhones, Androids, AirPods, smartwatches, cameras, etc. But that’s not even what makes it so great. It’s also incredibly compact, weighing in at just over an ounce and stretching to just over two inches tall and less than two inches wide. Because it’s so small, you can easily attach it to your keys, so you’ll never forget it. In fact, that’s what Rolling Square had in mind when creating the concept for the TAU.
With a built-in magnetic dock that allows you to stick it anywhere, you can easily keep the TAU anywhere it might be useful — like a wall or side of a desk. You always set your keys down in the same spot, like a tray or key hanger, when you get back home, right? The idea is to exploit that daily habit to recharge TAU and ensure you won’t forget it on the go. If you dock it in the area you usually drop your keys, you'll always remember to grab it on your way out — and it'll always be fully charged. And despite being the size of a key fob, it packs an impressive amount of power with a 1,400mAh capacity.
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Unsurprisingly, with its compact design, multifunctional three-way charging ability, and convenient magnetic docking, the TAU won a CES 2021 Innovation Award. It also secured over $750k in funding on Indiegogo. And for a limited time, you can snag one of these convenient on-the-go charging solutions for yourself on sale for just $23.99 (regularly $29).
