This preowned Merits power chair has excellent maneuverability in tight spaces. It goes up to 12.5 miles per charge and up to 4.5 mph. The drive tires are foam filled and 9", the caster tires are 7" and solid. The base weight is 66#, batteries (each) 14#, seat 40#, for a total of 135# overall weight. It has a 300# weight capacity.