Robotic mobility device is an intelligent battery-operated wearable lower limb exoskeleton built for comprehensive mobility support across rehabilitation, daily travel and outdoor activity scenarios. Equipped with real-time motion capture sensors and self-adaptive servo power modules, this robotic mobility device instantly detects standing, level walking and slope climbing motions, and outputs matched graded auxiliary torque to hips and knees to cut lower limb load, relieve muscle fatigue and joint soreness, and strengthen walking stability during prolonged movement. The ultra-light high-toughness composite frame conforms to IP54 dustproof and waterproof standards, delivering steady performance in home spaces, community walkways, clinical rehabilitation centers and mild mountain trails. Widened soft padded adjustable straps accommodate users of varying heights and leg circumferences, paired with interchangeable long-lasting lithium batteries to sustain all-day continuous mobility assistance. Ergonomic flexible joint structures allow unrestricted natural limb movement, alongside intuitive one-button control that requires no complex training for patients, elders and field operators. Integrated anti-fall alert, overload protection and emergency stop safety mechanisms effectively prevent secondary physical injuries. This versatile robotic mobility device realizes smooth human-machine coordination, greatly improving long-distance walking comfort and extending outdoor activity endurance for mobility-impaired patients, seniors with weak lower limbs and outdoor workers.