Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Recently, I saw a post on social media about using a tool battery to jumpstart a car.

Portable jump-starters for cars are mysteriously little boxes, and they can be the most handy-dandy objects you keep in your vehicle. These devices are there for when everything goes wrong and your ...

A dead car battery happens to almost everyone at some point. According to the American Automobile Association, the common causes include corrosion build up, extreme heat or cold, too many accessories ...

A dead car battery can ruin your day, but jump starting your car is one of the simplest fixes you can do yourself. Whether you left your lights on overnight or your battery finally gave up after years ...

If you’re new to electric vehicles—or are starting to research options for an upcoming purchase—you may not know that in addition to the high-voltage battery pack that supplies power to the motor, ...

Loose or corroded battery terminals restrict electrical power from reaching the rest of the vehicle, making it difficult to start even with a jump. Remove the cables from the terminals and clean them ...

We’ve all been there. Walk out to the car after work, drop into the driver’s seat, and twist the key and—nothing! What the hell? Batteries don’t last forever folks, and in especially hot or cold ...

One of the most useful tools for your safety and peace of mind while driving a vehicle is a portable jump starter. It wasn’t that far in the past that if you went to start your car and found the ...

Consumer Reports no longer updates this product category and maintains it for archival purposes only. It used to be that a set of jumper cables (and an obliging fellow motorist) or a call for roadside ...

We independently review everything we recommend. We may get paid to link out to retailer sites, and when you buy through our links, we may earn a commission. Learn more› By Annemarie Conte Annemarie ...

Portable jump starters have proven themselves invaluable, replicating the functionality of old-school jumper cables while adding other features and being easier to carry as well. If there’s one catch ...