Is your phone, tablet, or laptop typically in the battery red zone before the day's end? These portable chargers and power banks give you the most boost when you're out of juice. I’m a Mobile ...

When owning a laptop, one of the most important things to know is how to check the battery health of your device. Checking the battery health may mean the difference between forking out hundreds ...

Here’s how it works. When searching for the best laptops for battery life in your price range, you can't count on manufacturer claims about battery life: you need real data. That's why we put ...

To help our members make a smart decision about replacing their car battery, Consumer Reports tests more than 100 individual car batteries in our lab every year. And not just once—in fact ...