One could make a mini-itx computer, connect a battery to it like a UPS perhaps the size of a laptop battery.. But then for screen and keyboard, how hard would it be to connect a laptop to the mini-itx ...

Most of the handheld gaming PCs that have launched in the past few years have looked vaguely like a Nintendo Switch or Valve Steam Deck: there’s a display squeezed between a pair of game controllers ...

The Bapaco is a funny looking portable computer that features a 12.3 inch, 1920 x 720 pixel IPS LCD ultrawide touchscreen display with a 16:6 aspect ratio and a 68-key RGB backlit mechanical keyboard.