Greenworks AiMowbot C20Z · Worx Landroid Vision L1600

RTK accuracy removes perimeter-wire labor but concentrates installation friction: base-station mounting and sky-view siting are critical setup steps, not optional.

4WD and vision replace gas-engine maintenance, but blade replacements and RTK station cleaning remain seasonal obligations, just at lighter intensity than the Optimow’s wire-and-blade churn.

No wire and no map trades installation effort for a daylight window: the camera that removes the ground work is also what keeps the mower parked after dark. An optional LED headlight accessory extends the window.

Boundary precision is adequate for typical residential lawns; owners who want cut-to-the-edge performance against walls and flower beds will need to supplement with manual edging.

Terrain above the rated gradient, or ground that will not hold traction.

Greenworks rates the C20Z to 24 degrees (45 percent grade) on four-wheel drive. Ground steeper than that sits outside the rating. Thick undergrowth or standing water causes traction and navigation faults independent of slope.

Owners requiring buried perimeter-wire setup.

RTK paired with vision is the only boundary method; there is no wire alternative and no way to skip the app-based setup. Remote scheduling and monitoring need an internet or 4G connection, though mowing itself does not stop when that connection does.

Properties larger than 0.5 acres or requiring multi-zone scheduling.

Single-charge cycle covers roughly 0.4-0.5 acres depending on grass height. Larger lawns need docile pause-and-recharge cycle breaks. No multi-zone or perimeter-subdivision feature documented.

Owners who need mowing outside daylight hours

The mower does not run in the dark. Households that want overnight mowing, to keep the machine out of the way during the day, need the optional LED headlight accessory.

Lawns that run continuously into adjacent ground

With no stored boundary, the mower turns where grass stops. Where lawn continues into a neighboring plot, a grass-seeded verge or unfenced field, a physical edge has to be provided.

Plots requiring precise edge trimming along hard borders

Vision-guided cutting stops short of physical edges. Owners expecting lawn-edge precision comparable to wire-guided systems report a consistent uncut border strip.

Complex gardens with narrow passages under 60cm

Manufacturer guidance and owner reports confirm the mower does not reliably navigate passages narrower than approximately 60cm. Disconnected lawn sections require separate zone configurations.

Owners who need all-weather autonomous operation

Rain sensing pauses operation and the mower does not run after dark. Owners expecting seven-day unattended coverage through variable weather will find scheduling gaps.

Large plots above 1,600 square meters

Coverage area is a hard limit by model specification. Beyond this boundary the mowing duration and battery cycle count become impractical regardless of zone segmentation.