Laptop power banks come in handy if you often travel or work away from your desk. These larger batteries have enough capacity to refill your computer to around 75 percent, giving you many more productive hours. Of course, they can also charge smaller devices like your phone, camera or tablet a few times over. Nearly all portable laptop chargers fall below the 100-watt-hour mark so you can bring them in your carry-on when you fly. Additional features, like built-in cables and digital displays make these…
