Segway Navimow i SeriesIIIConditionalCompare

Released 2024.05Reassessed 2026.09.15Compare

Segway Navimow i Series

Name: Segway Navimow i Series
Brand: Segway

RTK satellite navigation eliminates the perimeter-wire requirement. Autonomy comes at the cost of clear sky access and service-area registration.

Superseded bySegway Navimow i2 AWD

List price

$999

Retail price not tracked

Released 2024.05Reassessed 2026.09.15

Autonomy Ladder

Why Level III.

One five-rung scale, every category, from acting only on command to working unsupervised anywhere.

VGeneralized AutonomyAny task, any setting. No consumer robot has reached it.
IVEnvironmental AutonomyCopes with everyday clutter and frees itself, shown by independent testing.
To reach Level IVIndependent testing shows it avoids ordinary obstacles before contact, copes without the space being cleared, and frees itself when stuck.
IIIConditional AutonomyThis robot

Segway Navimow i Series finishes whole jobs in a space it already knows, and still needs a person at the edges.
What it does on its own
- RTK satellite navigation without perimeter wire installation
- Systematic lawn coverage using real-time kinematic positioning
- Autonomous return-to-dock for recharging during extended sessions
- Weather-responsive operation pausing during rain or adverse conditions
- Small-yard capacity tier, distinct from the larger X4 model
Why this level
- Android Police found the i105N sensed obstacles and mowed around them, though it left unmowed strips that needed trimming.
- The space test fails on Top Ten Reviews' advice to keep pets off the lawn while it runs or to supervise mowing.
- No independent source documents it freeing itself from stuck spots or signal loss, so recovery is also unestablished.
What holds it at Level III
- Requires clear satellite visibility for the rover; performance degrades under dense tree canopy or against tall structures that block sky view.
- Service area must be pre-mapped and configured through mobile app before autonomous operation begins.
- Obstacle handling depends on what VisionFence recognizes; anything outside its trained classes is treated as a generic obstruction rather than by type.
- The reference antenna needs a fixed mounting position with its own clear view of the sky, and the mapped boundary is referenced to it.
Autonomy dimension 77 / 100 · 3 independent sources reviewed, 6 from the maker
IIAssisted AutonomyRuns preset routines; stalls at anything new.
IManual AutomationOne action on command; no independent operation.

How we assign a level →

Behind the classification

Sources on file.

Provisional3 independent sources reviewed, 6 from the maker

Two to four independent sources reviewed. Gaps remain across source types. The word says how much we read. It is not a grade.

Independent sources reviewed3

Press & video reviews3 sources

Consumer robotics publications covering RTK lawn-mower category expansion and Segway's market entry.

From the maker, reviewed6

Manufacturer documentation2 sources

Segway Navimow product spec sheet, RTK positioning system whitepaper, initial setup documentation.

Specification sources4 sources

Pages the published specifications were read from.

On file, not yet reviewedNot counted

Owner reports1 source

Owner forums and feedback on RTK signal loss, blade maintenance cadence, yard-mapping workflow.

Does the Segway Navimow i-series basically work OK?Reddit · r/automower

Our own recordNot counted

Longitudinal signal2 sources

Robovations dated log for this robot: 3 tracked entries spanning ~7 months.

How we evaluate evidence →

Human Readiness

Ready Now.

One question: what does buying this robot today walk you into? The state is computed from the record, and recomputed daily.

Ready NowThis robot

Segway Navimow i Series is on sale, assessed, and nothing on its record argues for waiting.
How this was derived
- Segway Navimow i2 AWD is shipping as this robot's successor. This record stays current for owners and buyers of this model; the successor is assessed on its own page.
Notes on the record
- Commercially available through manufacturer direct and dealer network.
- Setup is antenna installation and yard mapping before the first autonomous session, using the kit supplied in the box; there is no service to activate.
- Ongoing maintenance is blade replacement, dock contact cleaning and confirming the reference antenna has not shifted.
On the record
- Shipping since May 2024 · 30 months on the market
- No current new-stock listing confirmed
- Succeeded by Segway Navimow i2 AWD
- 3 independent sources reviewed, 6 from the maker
What would move it
A documented problem, an announced successor, or a withdrawn listing moves it out; the rating recomputes daily.
New to MarketOn sale under 90 days; the ownership record is still forming.
WaitA successor is announced and has not shipped; re-read the decision when it arrives.
Known IssuesDocumented problems stand on the record; read the case before buying.

How we assess readiness →

Robovations Score

How this number was reached

73of 100

StrongAt or above 81% of the 456 robots we scoreand 83% of the 112 scored robot lawn mowers

DeficientLimitedCapableStrongExemplary

What moved itpoints gained or lost against a typical robot

Carried by

Support longevity85+2.3
Consumables91+1.8
Edge-case recovery68+1.5

Held back by

Routine maintenance59−1.1

Capability40% of the score74What it does without you.

Task completion16% of the score75

Evidence

r/automower, "Husqvarna's no wire mower is $5000. The Luba is $2500.": a first-person i Series owner reports the machine running unattended with no intervention described. Field reports establish routine unattended mowing of the lawn, but none documents repeated whole-area completion, and edges and corners remain a trimmer job in this category, so this sits at the 75 anchor rather than above it.

Coverage and navigation10% of the score82

Evidence

Systematic coverage across pre-mapped service areas held by on-property RTK, retained between sessions, and independently exercised by Tom's Guide and Engadget rather than resting on Segway's own account. Held at the systematic-and-retained anchor by two documented limits: signal loss is described as common under dense cover, tall structures or narrow passages, which produces return-to-dock and unfinished sections, and re-mapping requires app interaction and RTK re-registration that the record itself calls burdensome.

Edge-case recovery10% of the score68

Evidence

Residential Tech Today's account of mowing with the i Series reports it does very well avoiding flower beds and trees but may have an issue with unexpected obstacles in the yard. Mapped hazards are handled; an object that was not present at mapping time is a documented problem, which the stored 84 does not reflect.

Operating envelope4% of the score65

Evidence

The roboter-forum i-Series owner thread shows the binding constraint is satellite reception rather than the cutting deck: one owner with the dock in front of a 2.5 m hedge reports the signal is too poor to even start mapping, another cannot get the machine up an approximately 46 percent slope, past its 30 percent rating, while a third with open sky in three directions says it works without problems. Segway's own placement rule of at least 2 m clear of trees and house walls is unworkable in an enclosed garden.

Dependability40% of the score72Whether it keeps doing it.

Field failure rate16% of the score70

Evidence

The Gadgeteer's hands-on i Series review (Dec 2024, names the model) walks through assembly, garage and antenna installation, firmware updating and lawn mapping and reports no breakdown or job-stopping fault; Notebookcheck dates the i105N/i110N on-sale launch to March 2024, so the line has more than two years of field exposure with no recall or systemic defect appearing in any retrieved page. Scored at the v4.2 ordinary-record anchor and not above it, because no source documents isolated failures handled under warranty.

Software stability14% of the score65

Evidence

The ordinary-case anchor. Updates ship over an account-linked app that also handles map sync, Segway is an active manufacturer expanding this line, and no owner reports a regression pattern across two seasons. The record carries no firmware source type, no changelog and no release history, and describes firmware history itself as limited, so nothing beyond the ordinary case can be asserted in either direction.

Support longevity10% of the score85

Evidence

The strongest structural position in the Navimow group. The record is emphatic that there is no service to register and no subscription: the mower ships with its own GNSS antenna and installation kit, and the pair computes corrections on the property with no network involved, so nothing about positioning can lapse, expire or be repriced. Behind that sits an active manufacturer with a direct and dealer channel, a named blade multipack, and battery replacement documented as the remedy for capacity loss, which implies a real parts channel.

Ownership burden20% of the score72What it asks of you.

Routine maintenance12% of the score59

Evidence

Held down by a single item rather than a long list: dock contact cleaning after every use. Around it, weekly blade inspection with a VisionFence lens wipe at a nominal 10 minutes, blade replacement every three to six months, a seasonal contact and dock alignment inspection with winterization, and an annual check that the reference antenna and its mount have not shifted. No wire and no base station beyond that antenna.

Consumables8% of the score91

Evidence

Thin double-edged carbon steel razors sold as Segway's Blade Assembly Plus 12-piece set, replaced every three to six months and never sharpened, which is a low running cost on a $999 machine. There is no correction service, no antenna to rent and no subscription of any kind. The one real recurring item beyond blades is the battery, which the record says loses 20 to 30 percent of capacity after two to three seasons, so a five-year owner should expect to buy at least one.

middle half of the databaseits medianthis robot

Reported, not scoredneither measures how well the robot works

Five-year cost$1,420

An inexpensive machine to own. $999 at MSRP for the i105N, though the range runs to $1,299 for the i110N with double the rated area, roughly $120 of Blade Assembly Plus sets across five years on a three to six month interval, and two replacement battery packs rather than one, because the record documents 20 to 30 percent capacity loss after two to three seasons on a pack that only supports a 60 minute session to begin with. No subscription of any kind: the RTK pair is self-contained on the property with no network involved, which is a clean positioning arrangement.

Data postureCloud-linked

Account required. Maps and telemetry leave the home; core function survives an outage.

What leaves the homeDocumented

RTK corrections are computed on the property between the mower and its own reference antenna, so position fixing does not depend on transmitting location to an external positioning network. The mobile app is account-linked and cloud-connected for control, map sync and firmware updates. The i Series carries a camera for VisionFence obstacle detection; whether that imagery is processed on the mower or uploaded is not documented in the sources on file, and it is the open privacy question on this machine.

On-device processingNo

Read the full methodology →

FIT CHECK

Will the Segway Navimow i Series work on your yard?

Describe your yard using the controls. Each choice reads the spec sheet for you, flagging where the Segway Navimow i Series is built for your space and where it isn’t.

Yard size

Terrain

Grass type

Boundary setup

See every robot mower suited to these conditions

A classification of fit for the conditions you set, not a recommendation. Verdicts describe engineering design intent, not test results.

OWNERSHIP

Living with it.

Early market presence with limited field data; RTK technology leveraged across product lines but long-term reliability pending.

Unprovenowner-reported arc

The record so far

RTK signal loss is most common failure mode during heavy tree cover transitions or geographic boundaries. Typical resolution within 5-10 minutes of sustained lock recovery.

What goes wrong3 documented · 1 self-recover

Common

20-30% runtime loss after 2-3 seasons

Owner fixbattery replacement required

Occasional

RTK satellite signal lossmower halts and initiates return-to-dock

Self-recoverswaits 30-60 seconds for lock recovery, resumes operation

Occasional

Dock charging misalignmentunable to charge or dock due to debris or GPS drift

Owner fixmanual realignment or dock repositioning

Upkeep routine

Each useEvery cycle

Dock cleaning to maintain charging connection reliability.

Weekly52×/yr

Inspect for debris and grass buildup and wipe the VisionFence camera lens; nominal 10-minute task.

Seasonal4×/yr

Blade replacement. These are thin double-edged carbon steel razor , sold in multipacks (Segway's part is the Blade Assembly Plus 12-piece set) and replaced rather than sharpened.

Pre-spring inspection of charging and dock alignment; winterization if operating in freeze-thaw regions, with the lithium pack stored charged rather than run down.

Yearly1×/yr

Pre-season check that the reference antenna and its mount have not shifted, plus end-of-season storage preparation.

Cost over timeabout $540 past the sticker over three years

PurchaseRunning cost

Year 1

$1,179

Year 3

$1,539

Year 5

$1,899

$999 to buy, then about $180 a year for the replaceable parts below. Over three years that is roughly $540 past the sticker price. Excludes electricity and any repairs.

What you replace

Every 3-6 months

Replacement cadence from the maintenance schedule; prices shown where the source documents them. Some links earn Robovations a commission. It does not change any classification. All parts at Navimow

Step-by-step fixes

Says No Loop Signal or Lost Satellite?Won’t Charge or Return to Its Base?Wet Grass or Rain All robot mower guides

Safety notes2 cautions · 1 note

CautionNo perimeter confinement built-inOperates autonomously without fencing; physical property boundaries are primary containment mechanism.
CautionNo emergency stop mid-operationBlade engages automatically at RTK command; must reach dock or RTK loss before disengagement.
No child or pet detectionDetection not currently implemented; visual and acoustic warnings only.

SPECIFICATION

The full spec sheet.

Priced below the category median, with every figure charted against the category below.

Dimensional drawing

Key specificationsManufacturer-publishedSources: Product page

FootprintThe width, depth and height of the robot itself, without its dock.: 21.4 × 15.1 in, 11.2 in tall•
WeightThe robot alone, without its dock, as the maker states it.: 24 lbs
BatteryStored energy in watt-hours; a larger pack runs longer, not harder.: 28 Wh · Li-ion
Wi-FiThe bands the robot can join; many models need a 2.4 GHz network to set up.: Supported
Cutting width: 7.1 in•
Cutting height range: 2-3.6 in•
Max slope: 30%•
Boundary method: Wire-free, RTK GNSS virtual boundary
Drive layout: Rear-wheel drive✓
Max area: 10,900 sq ft

Where it lands · position among 134 robot lawn mowersThis robotMedianTypical range

RuntimeThe maker's stated running time on one charge, at a standard setting.60min

30 min240 min

Below median

PriceThe maker's list price, not a price found in a shop.$999

$549$5,999

Bottom of range

NoiseLoudness at the maker's stated distance, in decibels; ten more decibels reads as about twice as loud.58dB

50 dB75 dB

Near median

Charge timeTime from empty to full on the dock, as the maker states it.90min

30 min300 min

Near median

WeightThe robot alone, without its dock, as the maker states it.24lbs

13 lbs88.2 lbs

Near median

Position shows where the figure sits across the tracked category, not a quality judgment.

Official referencesProduct page

RECORD

How the assessment has moved.

Every announcement, release and reassessment behind the current classification.

Coming soon

Just launched

Active updates

Settled

Discontinued

Sep 2026 · AssessmentAutonomy Ladder reclassified IV → III
Sep 2026 · AssessmentRecord status: Verified → Provisional
Sep 2026 · AssessmentRobovations Score recorded at 73 of 100
Aug 2026 · AssessmentRobovations Score rescored under v4.2
Jul 2026 · AssessmentRobovations Score revised 78 → 74
Mar 2026 · AssessmentRobovations Score recorded at 78 of 100
Oct 2024 · NewsOwner community documents RTK signal loss patterns across geographic regions
Jun 2024 · Assessment changePress reviews document RTK signal loss as primary operational limitation

Show 1 earlier entryHide earlier entry

Mar 2024 · ReleaseLaunches commercially in United States market

Editorial comparisons

How Segway Navimow i Series compares.

All comparisons →

Goal-based

On a small fenced back lawn seen from the patio, the orange Worx Landroid Vision Cloud cuts a stripe with its round satellite receiver on its back, while the grey camera-only TerraMow V1000 mows the far side by the bed.

Robot Lawn Mowers3 robots

Robot mowers for small yards: does satellite positioning justify the cost?

Three wire-free mowers span different positioning technologies: vision-guided boundary mapping, RTK satellite entry-level, and RTK with all-wheel drive. Which approach fits small suburban lawns?

vs TerraMow V1000 · Worx Landroid Vision Cloud WR340

Goal-based

On a summer afternoon a Segway Navimow robot mower mows under a hammock slung at the end of a back lawn while a Husqvarna Automower 410 iQ comes down its own lane beside it, past an open paperback, a glass of iced tea, and a sun hat left in the grass.

Robot Lawn Mowers3 robots

Quiet robot mowers for neighborhood-friendly scheduling: noise levels and timing

Four autonomy-class mowers tested for manufacturer-disclosed noise, quiet-hours flexibility, and scheduling fit for HOA-restricted and early-morning yards. Balancing decibel ratings with real-world owner perception.

vs Husqvarna Automower 410 iQ · eufy Robot Lawn Mower E15

Goal-based

On a long back lawn on setup afternoon, the Segway Navimow drives off its newly placed station, its satellite antenna staked out on the open grass and wired back to the station, while further down the lawn the Husqvarna 410 iQ mows its lanes with nothing planted for it.

Robot Lawn Mowers3 robots

Robot mowers for quarter-to-half-acre yards: where setup effort matches yard scale

Four mowers spanning wire-bound and RTK autonomy for small yards. Comparison centers on setup complexity, operational scale, charging cycles, and dock placement constraints at 0.25-0.5 acres.

vs Sunseeker S4 · Husqvarna Automower 410 iQ

Questions

What people actually ask.

5 answered

OperationWhat happens if RTK signal is lost during mowing?

The mower halts and initiates return-to-dock on satellite lock failure. Typical recovery time is 5-10 minutes; if signal does not restore, manual retrieval or app-guided return is required. Manufacturer documentation describes this as ‘transient signal loss,’ common during dense tree transitions.

OperationCan this mower operate on larger properties?

The i Series is rated for small lawns: 1/8 acre on the i105N and 1/4 acre on the i110N. The larger X4 model handles 1+ acres. Runtime caps at 60 minutes per charge; larger yards require multiple passes or a different product class.

OperationIs RTK service included, or does it require a subscription?

There is no service to register and no subscription. The i Series ships with its own GNSS antenna and an antenna installation kit; the mower and that fixed antenna form a self-contained RTK pair that computes corrections on the property with no network involved. On the models Segway supplies with Network RTK instead, the required cellular data is included at no charge.

OperationDoes this mower include child or pet detection?

Yes, within limits. VisionFence identifies over 150 object types across three groups: animals, tools and fixed obstacles, and everyday obstacles. Animal Friendly Mode detects cats, dogs and hedgehogs within five meters and replans the path to hold a one meter buffer. Treat it as an avoidance system rather than a safety guard: keep children and pets out of the mowing area while the machine is running, and use the STOP button on the mower if they enter it.

OperationHow often does the RTK system need recalibration?

No annual recalibration procedure appears in Segway’s i Series documentation or setup flow, and a GNSS receiver does not hold a calibration against constellation geometry or ionospheric state: it solves for both continuously. Seasonal upkeep is blade replacement, dock contact cleaning, and confirming the reference antenna and its mount have not moved.

Cite & Embed

Reference the Segway Navimow i Series classification.

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Robovations. "Segway Navimow i Series: Autonomy Level III (Conditional Autonomy)." Autonomy Ladder™, assessed September 2026. https://robovations.com/robots/segway-navimow-i-series/

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Where to next

Three ways to keep going.

For evaluators

Compare with a peer.

See the Segway Navimow i Series and Worx Landroid Vision Cloud WR310 side by side: autonomy level, Robovations Score, readiness, and price. Classification, not a verdict.

See the full comparison

Or compare with Goalker H3 Pro, Husqvarna Automower 308V, TerraMow V1000.

For browsers

See every Level III.

Every robot we’ve classified at conditional autonomy. Sorted by readiness, score, and price. Filter by category, manufacturer, or release date.

Browse every Level III robot

Updated weekly with new entries and reclassifications.

Segway Navimow i Series

Will the Segway Navimow i Series work on your yard?

Living with it.

The full spec sheet.

How the assessment has moved.

How Segway Navimow i Series compares.

Robot mowers for small yards: does satellite positioning justify the cost?

Quiet robot mowers for neighborhood-friendly scheduling: noise levels and timing

Robot mowers for quarter-to-half-acre yards: where setup effort matches yard scale

What people actually ask.