And, yes, charging up takes a long time. Before loading the battery into the car and letting kids go off on a joyride, be sure to read the directions carefully. These batteries often need to be ...

With just four small wheels and a hearty battery, you have a toddler-sized ... Apparently, this also applies to electric ride-on cars for kids, many of which have Bluetooth sound systems of ...

Larger portable jump-starting devices that clamp to a car's battery have become common in the past few years. But even smaller devices, which plug into a car's power outlet, are now on the market.