Here is another autonomous mower that can cut a lot of grass without you having to break a sweat. It comes with LiDAR based obstacle detection and avoidance. It has a cutting width of 100 inches. This robot can mow up to 25 acres per charge at 7 acres/hr on battery. It recharges in two hours. This mower has 4 electric drive motors with 2 independent steering motors.
The FireFly MV100-AV Mower has a RoloRocker cutting unit design for a more stable performance. More information can be found here.