These are the best portable chargers for charging speed and portability from CR's tests. These power banks are a lifeline ...

You want a long-lasting portable laptop: The Surface Laptop comes in 14-inch and 15-inch configurations, and even the larger model is thin and light enough to carry around - and its battery ...

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 ...

You bought the best laptop, but the more you use it for gaming or everyday productivity, the more you might be wondering about battery life. That's because batteries don't always hold their full ...

Some users depend on a laptop's battery more ... have a reputation for excellent battery endurance, and Cupertino's current offerings are no exception. Most portable Macs we've tested recently ...

Here’s how it works. When you're 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 ...