18? — Sweet-Spot Efficiency (Small-to-Medium Lawns) Finish faster —without the size or price jump of a 21? Self-propelled deck. The 40V 18? mower hits the efficiency sweet spot with +12.5% coverage vs 16?. Balanced handling around landscaping, and 5 cutting heights for consistent results. 3-in-1 grass handling —Bagging, Mulching, Rear Discharge— keeps edges clean and trips fewer. Includes 1× 4.0Ah 40V battery + fast charger; mows up to ~5,445 sq ft (~0.125 ac) per charge with typical up to 60 minutes per pack. Built for small-to-medium residential lawns . The Wild Bagder Power 40V ecosystem means f ewer chargers, faster swaps, and lower total ownership . *Actual runtime/area vary with grass height/density, terrain, temperature, and walking pace.