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

Some users depend on a laptop's battery more than others ... You have simply no room for a large battery in such a small enclosure. The best of these, like the Snapdragon-based Microsoft Surface ...

but these pocketable battery packs are usually not powerful enough to keep an unplugged and energy-hungry MacBook going all day. We’ve rounded up the best portable laptop power banks with ...

Remember to consider whether having a lighter, thinner laptop or a touchscreen laptop with a good battery life will be important to you in the future. Size is primarily determined by the screen ...

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 ...

A particularly common use is in laptop batteries, where they’re often built into a pack using the Smart Battery System. This creates a smart battery that can communicate and report on its own ...

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 ...

As a tech editor, I’ve been following and writing about the latest tech deals for years, and have a keen eye for finding the best sales ... First, make sure the battery pack is Quick Charge ...

If you own a laptop that’s got a few years on the clock, you’ve probably contemplated getting a replacement battery for it. Which means you also know how much legitimate OEM packs cost ...