The XO-101 Standing Wheelchairs Series are not only the best priced Standing Wheelchairs on the market but now actually have as many features as those that cost 5 times as much! The XO-101 series now includes standard features such as a Nickel Metal Hydride Battery, Memory Foam Back Cushions, Anti-Tippers, Padded Knee Support, Flip Up Footplates, Full length Flip Back Armrest with standing toggle switch, as well as Seat & Back Adjustments.