Take the Bluetti X20, a power bank built to power laptops and other high-capacity devices. Sure, you can use it to charge your smartphone or earbuds, but that would be overkill.

The Torras MiniMag Power Bank has the thinnest profile of any battery pack I've tested, and it charges surprisingly fast.

Sydney based consumer electronics brand, Chargeasap, known for its incredibly successful crowdfunding campaigns which have ...