The Slurptop is a 3D-printed luggable laptop that runs on a 24V Kobalt power-tool battery
One maker built a laptop-shaped luggable around a $300-class mini PC, a 14-inch screen, an 82-key mechanical keyboard and a trackball made from a loose ball and a gaming-mouse sensor, then powered it from a cordless-drill battery. Four hours on a 4Ah pack, with 20V still left.