Yard Force
Yard Force NX100i: Vision Navigation & App-Controlled Robotic Mower
The Yard Force NX100i is a 28V robotic mower with vision navigation that handles up to 14,520 sq ft , no boundary wire required. With 85-minute runtime, Wi-Fi app control, and fully autonomous operation, it's built for small-to-mid suburban homeowners who want their lawn maintained without lifting a finger.
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Last updated: . Based on our analysis of 364 lawn mowers.
What Sets It Apart
Key specification highlights based on our analysis.
85-Minute Runtime
Above-average runtime (database avg: 52.7 min)
VISION Navigation
Wire-free navigation for easier setup and better coverage
Smartphone App Control
Control and schedule from your phone (40 of 364 mowers have this)
Considerations
Plastic Cutting Deck
Lightweight but less durable than steel; won't rust
Why We Recommend It
- 01.
Vision navigation system means no buried perimeter wire , dramatically easier setup than traditional robotic mowers
- 02.
85-minute lithium battery runtime covers up to 14,520 sq ft on a single charge, beating the category average by over 60%
- 03.
28V battery with 90-minute recharge time keeps downtime short and mowing cycles consistent
- 04.
Wi-Fi app control lets you start, stop, schedule, and monitor mowing from your phone from anywhere
- 05.
At 29.3 lbs with a lightweight plastic deck, it's easy to reposition, store, or transport between sessions
Considerations
- 01.
Plastic cutting deck is lighter and rust-proof but less durable than steel over years of heavy use
- 02.
Coverage capped at 14,520 sq ft , not suited for properties approaching or exceeding 1/3 acre
- 03.
Slope handling rated to 21.8°, which may fall short for yards with steep or irregular terrain
Technical Specifications
| Feature | Specification |
|---|---|
| Mower Type | Robotic |
| Power Source | Battery |
| Cutting Width | 7" |
| Deck Material | Plastic |
| Blade Type | Rotary |
| Cutting Height | 1.3" – 3" |
| Height Positions | 5 |
| Battery | 28V |
| Runtime | 85 min |
| Drive | All wheel |
| Discharge | Mulch |
| Weight | 29.3 lbs |
| Start Type | Auto |
| Working Area | 14,520 sq ft |
| Navigation | VISION |
| App Control | Yes |
| Rain Sensor | Yes |
| Warranty | 2 years |
Power & Performance
The NX100i runs on a 28V lithium power system that delivers consistent cutting performance across established lawns with normal grass growth. The battery-powered motor produces no direct emissions and operates significantly quieter than gas alternatives, making it suitable for early morning or evening mowing cycles without disturbing neighbors.
It handles standard cool-season and warm-season grasses well, though it's not designed for tackling overgrown or very thick turf.
Cutting System
The 7-inch plastic rotary cutting deck keeps the unit lightweight and rust-free, though it's a smaller cutting width typical of robotic mowers that compensates through repeated autonomous passes. Cutting height adjusts across 5 positions from 1.3 to 3.0 inches, covering most residential lawn preferences.
The NX100i exclusively mulches clippings back into the lawn , there's no bagging or side-discharge option, which feeds nutrients back into the soil but requires the mower to run frequently enough that clippings stay fine.
Drive & Handling
All-wheel drive enables the NX100i to navigate uneven surfaces and handle slopes up to 21.8°, which covers gently rolling suburban terrain. At 29.3 lbs, it's light enough to reposition manually when needed.
The vision navigation system guides the mower autonomously without requiring boundary wire installation, using onboard sensors and detection algorithms to map and cover the lawn , a significant usability advantage over wire-based robotic competitors.
Battery / Fuel
The 28V lithium battery delivers an 85-minute runtime per charge, well above the 52.7-minute database average for robotic mowers. A full recharge takes approximately 90 minutes, meaning the mower can complete multiple sessions per day if needed.
The included charger and docking station allow the unit to automatically return, recharge, and resume mowing , a fully closed-loop autonomous cycle that requires no manual battery swaps or intervention.
Who Is This Mower For?
Ideal For
- ✓ Homeowners with flat-to-moderately-sloped yards up to 1/4 acre who want fully autonomous, hands-off mowing
- ✓ Tech-forward users who want smartphone app control and the ability to set schedules or trigger mowing remotely via Wi-Fi
- ✓ Eco-conscious homeowners seeking zero direct emissions and quieter operation compared to gas mowers
- ✓ Busy households looking to eliminate weekly mowing entirely , the rain sensor and auto-charging dock handle the rest
Not Ideal For
- ✕ Large property owners over 14,520 sq ft , the coverage limit will leave portions unmowed
- ✕ Homeowners with steep hills exceeding 21.8° slopes, where the mower's traction may be unreliable
- ✕ practical buyers who don't need autonomous features and are fine with a basic push or self-propelled mower
Setup is considerably simpler than wire-based robotic mowers since no boundary wire needs to be buried or staked around the yard perimeter. Initial configuration involves connecting to Wi-Fi, downloading the app, and positioning the docking station in a flat, accessible location.
Place the dock against a flat wall or fence with clear approach space so the mower can locate and return to it reliably
Use the app's scheduling feature during the first week to observe coverage patterns and fine-tune the mowing zone boundaries
The Yard Force NX100i includes a two-year residential warranty, which is solid coverage for a robotic mower in this tier. For full terms and support contact details, verify directly with Yard Force or the retailer at time of purchase.
FAQ
Does the Yard Force NX100i require a boundary wire?
No , the NX100i uses vision navigation with onboard sensors and detection technology to map and navigate your yard autonomously. This eliminates the need to bury or stake perimeter wire, making initial setup significantly faster and easier than traditional robotic mowers.
How long does the battery last and how long does it take to recharge?
The 28V lithium battery provides up to 85 minutes of runtime per charge, which is well above the category average of roughly 53 minutes. A full recharge takes approximately 90 minutes.
The mower automatically returns to its dock to recharge and can resume mowing in subsequent cycles without manual intervention.
Can I control the Yard Force NX100i from my phone?
Yes , the mower connects via Wi-Fi and is fully controllable through the Yard Force smartphone app. You can start or stop mowing, set automated schedules, monitor status, and receive notifications remotely.
App control is available on both iOS and Android.
What yard size is the NX100i designed for?
The NX100i is rated to cover up to 14,520 square feet, roughly equivalent to 1/4 acre. It's well-suited for typical suburban lots in that range but is not recommended for properties approaching or exceeding 1/3 acre, as it may not complete full coverage efficiently.
Can the Yard Force NX100i handle hills and slopes?
The NX100i is rated for slopes up to 21.8°, which covers moderately rolling terrain common in suburban yards. Its all-wheel drive helps maintain traction on inclines.
However, yards with steep or irregular slopes beyond this rating may present navigation challenges.
Does the NX100i mow in the rain?
The mower includes a built-in rain sensor that automatically detects wet conditions and returns to the dock to wait, helping protect both the unit and avoid mowing wet grass that can clump and stress the lawn. Mowing resumes automatically once conditions improve based on your schedule.
Bottom Line
The Yard Force NX100i delivers a genuinely hands-off mowing experience for yards up to 1/4 acre , with vision navigation, app control, rain detection, and an 85-minute lithium battery runtime that outperforms most competitors in its class. It's a strong pick for homeowners who want to automate lawn care entirely without the hassle of installing boundary wire.
Buyers with larger properties, steep slopes, or tight budgets should look at alternatives.
Best for suburban homeowners with flat-to-rolling yards under 14,520 sq ft who want fully autonomous, app-controlled mowing without boundary wire installation.
Consider alternatives if your yard exceeds 1/4 acre, features slopes steeper than 21.8°, or if you prefer a traditional push mower at a lower upfront investment.
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