HyperGear’s Power Brick is a beefy, 24,000mAh power bank with an AC outlet that can fully charge most laptops, juice up your iPhone several times and/or keep multiple devices going through a full day ...

It depends whether you’re using AC power, DC power, or eco-friendly solar energy—and can be a matter of hours or take all day.

Over the past few months, the Anker Nano 3-in-1 has been my most consistent travel companion, coming with me to California, New York, Texas, and Vermont. While it's technically a power bank, with an ...

Portable power banks come in all shapes and sizes: super-slim pocketable magnetic slabs that clamp onto the back of your iPhone, or airline-friendly power pillars that hold enough juice to take your ...