When it comes to helping a car with a dead battery, there are two approaches to take – a portable jump starter or a battery charger. Both of these products bring your battery (and car ...

Our team of experts has selected the best portable charger out of dozens of options. Don’t buy a portable charger before reading these reviews.

A fast USB car charger can be a great backup power source for laptops, battery banks, and other devices during emergencies or unexpected trips. If you don’t have one already, you should get one.

Zarrin Ahmed is a Deals and Commerce writer at CNET. She loves helping people find great deals on products they can't live without, things they want, and things they never knew they needed.