"The average price in our latest car battery ratings is $170, with one model costing more than $350. Taking the time to ...

When you need some juice to get your car, truck, or SUV restarted, these devices can help. Portable car battery jump starters ...

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.

Life test measures how a battery endures repeated charge-and-discharge cycles at hot-climate engine-compartment temperatures. The more cycles endured while maintaining a higher voltage, the higher ...