Segway Navimow i105N Review: Specs, Setup & What Owners Report

Modern robotic lawn mower cutting grass in a backyard

No boundary wire, RTK-level GPS precision, and a mowing pattern that actually looks planned. Here’s what Segway’s specs, independent reviews, and owner reports say about the Navimow i105N and wire-free mowing in 2026.

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How this review was put together: J. Bond hasn’t owned or run the i105N. This review is based on Segway’s published specs and setup guides, independent coverage (Consumer Reports’ i105N listing and Tom’s Guide’s hands-on review of the larger sister model, the i110N), and owner feedback. Where we give an opinion, we say so.

Segway’s Navimow i-Series ditched the buried boundary wire that defines most robot mowers, using a combination of RTK GPS and onboard vision (Segway calls it Exact Fusion Locating System) to map and navigate your yard instead. The i105N is the entry-size model in the lineup, built for yards roughly 1/8 acre — a smaller-lawn model. We haven’t run one ourselves, so this review pulls together Segway’s published specs, independent reviews, and what owners report.

4.3
★★★★☆
out of 5 · editor’s score (research-based)
The verdict: A strong pick for mid-size, moderately complex yards where running boundary wire would be a hassle — there’s no wire to bury, and Segway’s planned, straight-line mowing pattern is a real step up from random-bounce mowers. Just note the 30% slope limit and 1/8-acre sizing.

Best for: Yards up to roughly 1/8 acre with a few obstacles or narrow passages · Tier: Best for Small, Detail-Oriented Yards (research pick)
Spec Segway’s published figure
Recommended area Up to 1/8 acre (about 5,400 sq ft)
Navigation EFLS 2.0: RTK GNSS with an antenna in the yard, plus camera-based vision; no boundary wire
Setup method App-based virtual boundary mapping
Cutting width 7.1 inches
Cutting height 2–3.6 inches
Max slope 30% (about 17°)
Noise 58 dB(A)
Battery / runtime 2.55Ah; about 60 minutes mowing, about 90 minutes to recharge
Water/dust rating IP66
Weight 24 lb
App features Scheduling, multi-zone mapping, no-go zones, mowing pattern selection

Specs from Segway’s Navimow i-series spec page, checked September 2026. Check current price before you buy.

Setup: The Real Advantage

The headline feature is skipping the trench-and-bury boundary wire process that eats up a weekend with most traditional robot mowers. Instead, you walk the perimeter of your yard once with the mower in a guided setup mode (or trace it in the app on some models), and the RTK GPS system remembers the boundary. For yards with a simple perimeter and a few obstacles — flower beds, trees, a shed — Segway pitches setup as an app-guided job measured in hours, not a weekend of trenching; owners with irregular yards report it can take longer to get the map right.

Worth checking before you buy: RTK GPS accuracy can be affected by heavy tree cover, tall buildings, or other GPS interference near your yard. If your property has significant overhead obstruction, check Segway’s RTK antenna placement guidance (the antenna needs open sky) before committing.

Mowing Pattern & Cut Quality

Where a lot of budget wire-free mowers wander in a semi-random pattern, the i105N drives in visible parallel lines — similar to a pattern a person would choose — which Segway says covers the yard more efficiently per charge and leaves a more even, striped look. Reviewers generally report it handles side-yard passages and obstacles well, though very tight or oddly shaped zones can still occasionally require a manual no-go zone adjustment in the app.

Pros

  • No boundary wire trenching required, cutting install time dramatically
  • Planned mowing pattern gives a noticeably cleaner, more even cut than random-pattern mowers
  • App-based multi-zone mapping makes complex yards (multiple sections, narrow passages) manageable
  • RTK GPS precision keeps the mower reliably inside boundaries once mapped correctly

Cons

  • Initial setup and mapping takes patience to get right, especially on irregular yards
  • GPS accuracy can degrade near heavy tree cover or tall structures
  • Higher upfront cost than wired boundary-based robot mowers of similar cutting width
  • Steep or heavily obstructed yards may need a wired model instead

Check Segway Navimow I105n on Amazon →   Check Robot Lawn Mower Wire-free on Amazon →

How It Compares to Wired Robot Mowers

Navimow i105N (wire-free) Typical wired boundary mower
Setup time A few hours or less for simple yards (per Segway and owner reports) Often most of a day to lay and stake wire
Mowing pattern Planned, parallel-line pattern Usually random/bounce pattern
Best for Moderate-complexity yards without heavy tree cover Yards with dense tree cover or GPS interference
Boundary changes Update the map in-app Requires re-trenching wire

FAQ

Does the Navimow i105N really need no boundary wire at all?Correct — it relies on RTK GPS plus onboard vision to navigate, rather than a buried wire. A small reference station is still installed in the yard to provide the GPS correction signal.
What size yard is the i105N actually built for?It’s positioned for yards up to roughly 1/8 acre. Larger properties should look at the i110N (rated for about 1/4 acre) or bigger models in Segway’s Navimow lineup.
How does it handle rain?It’s IP66-rated for water and dust, so rain won’t hurt it, though like most robot mowers it’s not designed to be a substitute for basic yard drainage on consistently soggy ground.
Is RTK GPS actually more reliable than boundary wire?For open-to-moderately-obstructed yards, yes, and it removes the physical installation hassle entirely. Heavily tree-covered or GPS-shadowed yards are the one scenario where a wired system can still have an edge.

Read next: Robot Lawn Mower Buying Guide by Yard Size · Mammotion LUBA 3 AWD vs Segway Navimow i210 · Robot Mowers Without Boundary Wire: GPS/RTK Explained · browse all garden and yard guides

Sources

Checked September 2026. Prices and specs change; confirm on the linked pages before you buy.

J. Bond

J. Bond writes The Brofessionals. Guides are researched against manufacturer specs, official sources, independent tests and owner reports, and say plainly when something was used hands-on. No pay-to-play placements — just picks we would recommend to a friend. How we research.

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