Portable solar panels and solar battery chargers are easy-to-use devices that provide backup power to anyone who happens to be away from a working power outlet, including hikers, car campers, and even ...

Need a power bank for your electronics? These devices receive high scores for charging speed and portability. These portable battery packs—which you recharge from a wall outlet—can revive dying phones ...

Everybody has gone through the horrible experience of running out of batteries just when we most needed our devices. Your day can be seriously disrupted if your phone or computer dies in the middle of ...

We’ve all been there: You’re still hours from home, but your phone’s battery is dropping into the single digits. Meanwhile, you need to text your friends that you’re running late... while using your ...