Invacare Pronto M51 Power Wheelchair with SureStep - This Pronto M51 power wheelchair combines a compact size with exceptional maneuverability. It includes SureStep technology to maintain stability while transitioning up and over thresholds up to two inches in height. This chair is made for indoor and outdoor use. Tbe center-wheel drive design keeps 6 wheels on the ground to provide optimum stability. The batteries (a $200 value) were bought new two months ago, and the chair comes with a battery charger. There is a 300 pound limit. This power wheelchair was used only in a nursing home facility setting. It was purchased from the original owner but has not been used because my father’s health has declined. It works great. The chair has a battery range of about 12 miles on a single charge. The owner’s manual is available to the buyer. Shipping is not included in the price of the chair. The chair is located near Memphis, Tennessee.