porto mobility ranger d09s foldable lightweight all terrain premium electric wheelchair, portable, compact, two powerful motors airline approved folding motorized wheelchair (silver, w/ 2 batteries) ranger porto mobility porto mobility ranger d09s currently is the best value power wheelchair among the ranger series. this magnificent power wheelchair is a marvel of engineering design, aesthetics and superior mobility and comfort. its frame is made of aerospace-grade aluminum designed to be exceptionally strong while keeping the device extremely lightweight. expert design with maximum shock absorption which increases bump-sensitivity and traction and powerful brushless motors used in this fast powered wheelchair can run continuously for long periods and require no maintenance.the battery is certified, which means it is safe to bring the chair on an airplane trip. if you're looking for a sturdy, quality, durable lightweight folding power wheelchair at a reasonable price make this chair yours today! specs: </li> <li>weight (without batteries): 50 lbs</li><li>seat dimensions: w x d: 19.5" x 18"</li> <li>weight capacity: 330 lbs</li> <li>travel speed: 5 mph (adjustable)</li> <li>climbing slope: 25° slope grade max</li> <li>travel distance up: to 20 miles</li> <li>unfolded ( l x w x h ): 38" x 24" x 37"</li> <li>ground clearance: 3.7"</li> <li>frame material: aluminum alloy</li> <li>wheel material: polyurethane (pu)</li> <li>front wheel size ( d x w ): 8" x 2"</li> <li>rear wheel size ( d x w ): 12.5" x 2.3"</li> <li>turning radius: 33"</li> <li>battery type: super lithum-ion</li> <li>battery capacity: 2 x 24v 6ah</li> <li>battery voltage output: dc 24v</li> <li>motor type: brushless dc electric</li></li> <li>motor power: 250w*2</li> <li>motor voltage input: dc 24v</li> <li>brake system: intelligent electromagnetic brake</li> <li>controller type: detachable all-direction 360 degree universal joystick</li> <li>controller power: ac 100-220v, 50-60hz</li> <li>