We've seen a few battery-powered PCs around here — after all, what are laptops but small computers running on Lithium-ion cells? When it comes to fueling actual desktop systems, though, the story is always one of compromise, however, this field of cutting-edge shenanigans has hit a new milestone thanks to creator Uwoslab. He just built an interconnected power bank out of 192 AA cells, enough to run a modern AM4 system without jeopardizing its performance.