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Twenty ZR EVO or LUBA 3 AWD?

Twenty ZR EVO is best suited to lawns suited to perimeter-wire-free grass recognition and radar and ultrasonic obstacle sensing; LUBA 3 AWD is best suited to large multi-zone lawns with steep or uneven ground. Compare their features and compromises below.

ProductLocal priceStatus
Choose Twenty ZR EVO if...

Lawns suited to perimeter-wire-free grass recognition and radar and ultrasonic obstacle sensing.

Main compromise: buyers who need a robot that is available to buy immediately.
Choose LUBA 3 AWD if...

Large multi-zone lawns with steep or uneven ground.

Main compromise: small, simple gardens.

Side by side

The meaningful differences.

SpecificationAmbrogio Twenty ZR EVOMammotion LUBA 3 AWD
Working area1000 sq.mt maximum suggested
NavigationRadar - No Perimeter Wire, with compassTri-Fusion Navigation: 360 LiDAR + NetRTK + Dual Camera AI Vision
Cutting width18 cm400mm
Cutting height25-60 mm25-70
BatteryLithium-Ion 25.9V, 1x5.0Ah
Run timeUp to 4 hours average
Slope45% maximum allowable; 35% operational max; 20% at perimeter
Noise59 dB(A)70dB
WeatherproofingIPx5
Boundary wireNot required
Positioning±1cm claimed
Maximum slopeUp to 80%
RuntimeUp to 215 minutes
Water resistanceIPX6
Slope capabilityUp to 80%
Boundary systemWire-free - no perimeter wire. NetRTK (network RTK, no local base station) plus 360 LiDAR and dual-camera AI vision.
Charge time120 minutes
ProtectionIPX6

Official product sources