Don't let a dead battery ruin your morning—keep one of these portable jump starters handy. We tested 6 of them to determine ...

there are two approaches to take – a portable jump starter or a battery charger. Both of these products bring your battery (and car) back to life by feeding energy back into a dead battery.

Portable jump-starters are essentially ... this 1,700-amp portable charger packs a lot of power so you don't have to stress about a dead battery in the middle of nowhere, but it is bigger than ...

Between the invention of the self starter and the end of the 20th Century, the best portable car jump starters weren’t ...

you want your portable battery charger at 100%. Slow charging and discharging also help a lot—again, not what you need in a ...

This car battery jump starter has a peak amp rating of 1,200 ... The 500-amp Halo jump starter doubles as a portable charger with two USB ports.

To quickly and easily get yourself out of a tricky situation, you’re going to need one of the best jump starters. Instead of a charger that slowly refills your battery, a jump starter ...