BMW, IKEA Using AI-Powered Exoskeleton That Adds 66 Pounds Of Lift Force Powered by a hot-swappable 40-volt battery, it consists of carbon-fiber backpack-like unit that connects to your body at the chest, hips, and upper legs. When the AI-enabled unit senses that you are trying to lift, it adds power to that effort, allowing you to both lift and carry with less effort.