This lawn mower from Hyundai has a collection box of 45 litres. It has a maximum cutting width of 38 cm, so it's suitable for smaller lawns.
Robert Dyas
Hyundai HYM3800E Corded Electric Lawnmower 1600W 380mm/ 38cm /15" Cutting Width
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Hyundai 1600W Electric Lawnmower with Roller and Mulcher - 380mm