What do you mean "Nope"? They are literally pneumatically activated. It's the source of almost all of it's kinetic energy. Watch one of the "blooper" vids in the article. In one you see a air hose pop, it loses pressure, and instantly face plants. So, each time the bot takes a step, it loses some pressure from the reserve tank. It only has so many steps before it's expended and needs to be refilled. THAT'S the limiting factor. Battery in nothing. They are wireless. AI takes place on a mainframe somewhere. So, onboard CPU doesn't even need to be powerful. You could power the electronics with a DEWALT battery pack for hours. But, take a few steps and you're done. Hook it back up to the compressor.