Anker Powerhouse battery pack makes 400Wh luggable

We all complain about the battery life of our portable electronics these days. From thin-and-light laptops with anemic batteries to cell phones that last half a day, we always want more life from our critical devices. Anker may have a solution for the most juice-thirsty out there. The company best known for its pocket-sized lithium-polymer batteries has released the mother of all portable power sources—a 400Wh power supply aptly named the Powerhouse.