Portable chargers can get hot when charging a phone, but is that normal? And if it is, when does normal behavior turn into something to worry about?

A portable jump starter is a similar device to a car battery charger, except instead of carefully funneling electricity into the battery, it delivers one big jolt all at once to zap it back to life.

If you think you want a portable car battery jump starter and battery charger, check the pro tips on safety and proper care that follow.

Amazon A peace-of-mind giving portable car battery jumper and air compressor (47% off list price) ...

Every car owner should have a jump starter, so they're never stuck with a dead battery. See the best portable car jump starters here.

These are the best portable chargers for charging speed and portability from CR's tests. These power banks are a lifeline when your phone or laptop battery runs low.

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

Over 550,000 portable chargers sold at Costco have been recalled over burn and fire concerns, the Consumer Product Safety Commission announced Thursday. Three models of the myCharge POWER HUB All ...

The Best Portable Chargers for Every Type of Person, From Travelers to Apple Power Users If you need to keep your laptop, smartphone or tablet fully charged all day, any of these options could be ...

CR's experts pick the best portable solar panels and battery chargers to power devices like phones and laptops, plus back-up batteries and power stations.

Tired of messing around with cables to charge your phone while in your car? See our picks of the best wireless car chargers at AutoGuide.com.

A portable jump starter is a similar device to a car battery charger, except instead of carefully funneling electricity into the battery, it delivers one big jolt all at once to zap it back to life.