Is your phone, tablet, or laptop typically in the battery red zone before the end of the day? These portable chargers and power banks give you the most boost when you're out of juice.

“It's been a lifesaver on long trips and busy days.” ...

three power banks placed on the floor stacked on top of each other - Vadishzainer/Getty Portable chargers, also called power banks, are useful accessories for keeping you powered on the go. That way, ...

It's an easy way to charge your devices while you're out and about, and it provides peace of mind. Right now, you can shop ...

Portable chargers come in handy when your phone battery is at 10%. It’s an easy backup battery, a failsafe when your day goes too long and you need to navigate maps on the trip home. They come in a ...

A good power bank isn’t exciting until your phone drops to 5% during a flight, a commute, or a long day away from an outlet. That’s when having a reliable backup battery suddenly feels essential.

The Twelve South PowerClip is a handy key chain charger that lets you always keep some extra power within reach, though it’s not without its flaws.

TheStreet aims to feature only the best products and services. If you buy something via one of our links, we may earn a commission. Summer will be here before you know it, which means it's time to ...

Portable chargers are helpful gadgets when flying, but they can also pose serious risks if they overheat, so airlines have ...