This self-propelled lawn mower from Hyundai applies so-called mulching, where the lawn is fertilized with the grass. The minimum cutting height is 25 millimeter.
From Amazon
Hyundai 18"/45cm Cordless 80v Lithium-Ion Battery Self Propelled Lawnmower with Battery and Charger, 6 Cutting Heights, 65l Grass Collector, Foldable Handles, 3 Year Warranty
This product is also available at 1 unverified merchant.