How many watts can a USB port actually output? The answer depends on your cable and protocol. Here is the ultimate guide to ...

USB ports have quietly turned into the default power outlet for phones, laptops, headphones, and even monitors, but the ...

Mobile guitarists looking for a way to power a small pedalboard with a portable battery pack can rejoice. Mission Engineering has launched what's claimed to be the world's first USB power converter, ...

The USB Type-C connector and power delivery (PD) specification has brought radical changes to the mobile device industry, and USB Type-C PD 3.0 could optimize battery charging for portable devices.

The Charging Case Pro combines power, protection, and portability. It features a 10,000 mAh removable power bank with 30W ...

We independently review everything we recommend. We may get paid to link out to retailer sites, and when you buy through our links, we may earn a commission. Learn more› By Geoffrey Morrison The ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? One of the most exciting times before a big vacation, especially one that you've been ...

Nick Guy is a staff senior editor for Buy Side. He's been reviewing personal technology, accessories and myriad other products for more than a decade. Edited By Written by Staff Editor, Buy Side ...

We independently review everything we recommend. We may get paid to link out to retailer sites, and when you buy through our links, we may earn a commission. Learn more› By Sarah Witman Sarah Witman ...

If you purchase an independently reviewed product or service through a link on our website, Rolling Stone may receive an affiliate commission. Travel converters are a necessity when globetrotting.