According to PinkTentacle: The suit is built on an aluminum-alloy frame and weighs 230 kilograms (500 lbs). Described as a “dual-arm power amplification robot,” the exoskeleton suit is currently equipped with 18 electromagnetic motors that enable the wearer to lift 100 kilograms (220 lbs) with little effort. In addition, the Power Loader’s simple, intuitive control system employs direct force feedback, allowing the operator to directly feel the movement of the robot while controlling it." For sale in 2015, it aims to help people with heavy lifting in factories and in disaster relief projects....
Ripley, flexing the suit in 'Aliens' (1986)