Hardware

These USB battery packs from Anker, Mophie, Tronsmart, and others will keep your Android or Apple phone charged while you’re on the go.

Tronsmart’s lightweight, fast-charging battery pack makes a nice travel companion.

This battery pack impresses with a stellar efficiency rating.

Romoss isn’t a well-known brand, but its Longuard 10 battery pack offers respectable power-on-the-go performance and features.

A sleek rubber coating protects the pack, while a carabiner makes it easy to keep nearby.

Anker’s high-capacity, dual-port battery pack demonstrates the company’s penchant for well-designed products with consistent performance.

Two USB ports and an AC plug ensure you can charge just about anything.

Not only can this USB battery pack charge your smartphone, it can charge itself.

If style in a battery pack doesn’t matter to you, this could be the product for you.

U.S. Netflix fans outside of the country should take a good look at this particular deal.