This self-propelled lawn mower from Greenworks shreds the grass and spreads it over the lawn (mulching).
From Tooled Up
Greenworks GD60LM51 60v Cordless Brushless Self Propelled Lawnmower 510mm No Batteries No Charger
Robert Dyas
Greenworks 60V DigiPro 51cm Self Propelled Cordless Lawnmower (Tool Only)