MAPS-E has four degrees of freedom for the extremity-assisted exoskeleton robot. Putting on it, it provides 10kg of assistance to the user's big arm to enhance the lifting endurance of workers, reduce shoulder fatigue, and prevent work injuries.MAPS-E is fully electric driven and can run for 5 hours without restrictions. At the same time, it supports quick battery replacement to meet working hours all day. Application scenarios include: manufacturing, logistics, military and other fields.