Renu-It Deluxe Home Battery Regenerator with USB Charging Ports and Tablet Stand We've all been there. Two of your favorite shows are on at the same time, so you toggle between them with your remote, only to have the batteries die at a crucial moment. You scramble for replacements, but they're all dead. Resurrect those fallen power cells and keep them charged and ready with this money-saving device. You can even dock and charge your cell phone and tablet at the same time. Power — intoxicating, isn't it?