Don't let a dead battery ruin your day—keep one of these portable jump starters handy. We tested six of the top picks to ...

Between the invention of the self starter and the end of the 20th Century, the best portable car jump starters weren’t something you carried with you. They were heavy lead-acid automotive batteries ...

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 ...

The $190 YaberAuto Jump Starter is on sale at Amazon for only $85, and it's an incredibly useful emergency tool worth ...

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 ...

I’ve been writing about cars, car accessories, and car electronics for more than 30 years and have owned almost a dozen cars over that time. Half of those vehicles were older and several only driven ...

With thousands of cars being left idle for weeks on end, it's likely many motorists may not be able to start their cars due to a flat battery. You may not realise it, but even when your car isn't ...

Let us set the scene: You're late for work. You grab keys, lock up, jump in car, click seatbelt, start ignition and — whomp, whomp — the blankety-blank car won't start. To make matters worse, there ...

Jump-starting a car means transferring current from a live battery to a dead battery by creating a circuit to charge the battery. After jumping a car, it’s important to keeping it running for a while.

All modern vehicles rely on a battery system to help get the wheels moving. For most cars with internal combustion engines, these devices are 12-volt batteries. The vehicle depends on the battery to ...