

Yard Force NX100i 28-Volt Robotic Lawn Mower, Auto Charging
Key item features
- Ideal Lawn Size: Suitable for lawns up to 1/4 acre
- Auto Charging: Automatically returns to the charging station when the battery is low
- Safety Sensors: Equipped with active safety ultrasonic sensors for a worry-free mowing experience
- Mulch System: Mulch system with 3 sharp blades helps fertilize your lawn
- Adjustable Cutting Height: Gradual cutting height adjustment from 1.3 inches to 3 inches
- Obstacle Detection: Additional protection with lift, tilt, and obstacle sensors
- Rain Sensor: Rain sensor enables the robotic mower to automatically go back to the charger station
- Battery Performance: Powered by a 28V 2.9Ah Lithium-Ion battery, can mow for up to 90 minutes per charge
- Slope Handling: Handles slopes up to 22 degrees
- Included Accessories: Includes a battery, replacement blades, boundary wire and pegs, and a charging station
Specs
- Coverage area1/4 Acre
- Battery life90 min
- Mower cutting styleMulch
- Outdoor equipment propulsion methodRear Wheel Drive
- Power typeBattery
- Height13 in
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About this item
Product details
- Suitable for lawns up to 1/4 acre
- Automatically returns to the charging station when the battery is low
- Equipped with active safety ultrasonic sensors for a worry-free mowing experience
- Mulch system with 3 sharp blades helps fertilize your lawn
- Gradual cutting height adjustment from 1.3 inches to 3 inches
- Additional protection with lift, tilt, and obstacle sensors
- Rain sensor enables the robotic mower to automatically go back to the charger station
- Powered by a 28V 2.9Ah Lithium-Ion battery, can mow for up to 90 minutes per charge
- Handles slopes up to 22 degrees
- Includes a battery, replacement blades, boundary wire and pegs, and a charging station
- Backed by a two-year warranty
Warranty
Warranty information
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Showing 1-3 of 13 reviews
Five Months In—My Lawn's Never Looked Better
I installed the NX100i in early spring, and by mid-summer the difference is dramatic: thicker grass, no scalping, and perfect, even height across my ¼-acre suburban lawn. The CloudHawk app lets me tweak the schedule from my desk, and the “double-cut” pattern after heavy rain prevents clumping. It navigates tight corners around our raised beds without getting stuck, and the ultrasonic sensors slow it down when the kids' soccer ball rolls into the yard. Battery recharges in about an hour, so it can run twice a day during peak growth. Zero maintenance beyond a quick hose rinse and blade swap—worth every penny.
Set-It-and-Forget-It Lawn Care
Installed the boundary wire in an afternoon and the NX100i has handled my 0.3-acre suburban yard ever since. The app lets me schedule evening cuts so the kids never see it running, and it quietly trims for 75 minutes before auto-docking. Rain sensor parks it during storms—no ruts in wet soil. I get a push alert if it's lifted, which adds peace of mind. Only nitpick: the cutting height icons in the app are tiny on my phone. Overall, my grass stays golf-green neat with zero weekend effort.
Handles Slopes and Pine Cones
Backyard is a mix of 15 % grade and pine debris. The rubber-tread wheels climb like a champ, and sensors bump around fallen cones without getting stuck. Battery still shows 25 % after a full pass.



