Motor specifications often list the power output in watts (W). Most electric wheelchairs feature motors ranging from 200W to 1,000W. A higher wattage generally indicates more power, which translates to better performance, especially on inclines and rough terrains. For instance, a motor with a power rating of 500W is generally adequate for flat surfaces and minor slopes, while a 1,000W motor is better suited for varied terrains and steep inclines.