ROBOVATIONS/CLASSIFICATION RECORD/ROBOT LAWN MOWERSRELEASED 2024.05REASSESSED 2026.05.18

Segway

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Superseded bySegway Navimow i2newer generation now available

LIST PRICE$999MSRP

Behind the classification

Sources we reviewed.

Verified4 sources reviewed

Sufficient public evidence across source types to publish a non-provisional classification.

Sources reviewed

Manufacturer documentation3 itemsReviewed

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

Press & video reviews2 itemsReviewed

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

Owner reportsOngoing

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

Longitudinal signal3 itemsReviewed

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

How we evaluate evidence →

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

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

SPECIFICATION

The full spec sheet.

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

Dimensional drawing

Key specificationsManufacturer-published

Footprint: 21.4 × 15.1 in · 11.2 in tall
Weight: 24 lbs
Battery: 28 Wh · Li-ion
Wi-Fi: Supported

Where it lands · ranked across 84 robot lawn mowersThis robotMedianTypical range

Runtime60min

50 min240 min

Bottom of range

Price$999

$451$32,829

Bottom of range

Noise58dB

50 dB82 dB

Near median

Charge time90min

40 min300 min

Near median

Weight24lbs

11.9 lbs160 lbs

Bottom of range

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

Official referencesManufacturer site

OWNERSHIP

Living with it.

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

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.

Owner effort~30 minhands-on per month

Consumables$180replaceable parts / yr

Reliability trendUnprovenowner-reported arc

What goes wrong · 3 documented · 1 self-recover

Common

Battery capacity degradation20-30% 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 contact cleaning to maintain charging connection reliability.

Weekly52×/yr

Inspect blade for debris and minor grass buildup; nominal 10-minute task.

Seasonal4×/yr

Blade sharpening or replacement; estimated cost $30-60 per blade. · Pre-spring inspection of charging contacts and dock alignment; winterization if operating in freeze-thaw regions.

Yearly1×/yr

RTK system recalibration before mowing season and seasonal storage preparation.

Cost over time · past the sticker

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

BladesEvery 3-6 months$30–60

Replacement cadence from the maintenance schedule; prices shown where the source documents them.

Safety notes

CautionNo perimeter confinement built-in: Operates autonomously without fencing; physical property boundaries are primary containment mechanism.

CautionNo emergency stop mid-operation: Blade engages automatically at RTK command; must reach dock or RTK loss before disengagement.

NoteNo child or pet detection: Detection not currently implemented; visual and acoustic warnings only.

RECORD

How the assessment has moved.

Every announcement, release and reassessment behind the current classification.

Coming soon

Just launched

Active updates

Settled

Discontinued

Mar 2024 · ReleaseLaunches commercially in United States market
Jun 2024 · Assessment changePress reviews document RTK signal loss as primary operational limitation
Oct 2024 · NewsOwner community documents RTK signal loss patterns across geographic regions
Mar 2026 · AssessmentRobovations Score recorded at 78 of 100
Jul 2026 · AssessmentRobovations Score revised 78 → 69
Jul 2026 · AssessmentRobovations Score revised 69 → 74

Editorial comparisons

How Segway Navimow i Series compares.

All comparisons →

Goal-based

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

Worx Landroid Vision L1600 · Segway Navimow i Series · Mammotion LUBA 2 AWD

Read comparison

Goal-based

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

Husqvarna Automower 320 NERA + 3 more

Read comparison

Goal-based

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

Husqvarna Automower 320 NERA + 3 more

Read comparison

Common 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 positioned for yards under half acre. 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?

RTK positioning is a one-time service registration through Segway’s network. Manufacturer disclosures do not document ongoing subscription costs; the system operates via standard GNSS correction, not a proprietary subscription tier.

OperationDoes this mower include child or pet detection?

No. The system uses acoustic and visual warnings only. Manufacturer documentation explicitly states that visual or mechanical obstacle detection is not implemented; physical perimeter fencing or owner supervision is required for safety around pedestrians and pets.

OperationHow often does the RTK system need recalibration?

Manufacturer guidance recommends annual recalibration before the mowing season. Recalibration is performed through the mobile app and accounts for seasonal satellite constellation changes and ionospheric variation.

Cite / Embed

Reference the Segway Navimow i Series classification.

Embed the Autonomy Ladder™ mark or copy the citation. The mark links back to this assessment and updates if the classification changes.

RobovationsAutonomy Ladder™Level IVEnvironmental AutonomyIndependent classification

<a href="https://robovations.com/robots/segway-navimow-i-series/" title="Segway Navimow i Series — Autonomy Level IV (Environmental Autonomy), classified by Robovations on the Autonomy Ladder" rel="noopener" style="display:inline-flex;flex-direction:column;align-items:center;width:208px;max-width:100%;box-sizing:border-box;text-decoration:none;background:linear-gradient(180deg,#ffffff,#fbf8f1);border:1px solid #e7dcc2;border-radius:14px;padding:17px 18px 16px;text-align:center;box-shadow:0 6px 18px rgba(30,58,95,0.09);font-family:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif"><span style="display:flex;align-items:center;justify-content:center;gap:7px"><svg width="18" height="18" viewBox="0 0 141 141" aria-hidden="true" style="display:block;flex:0 0 auto"><rect width="141" height="141" rx="20.76" fill="#1e3a5f"/><path d="M98.15,114.54a19.84,19.84,0,0,1-8.53-1.64,15.14,15.14,0,0,1-5.93-5.14,41.35,41.35,0,0,1-4.54-8.83l-5-14.15a54.15,54.15,0,0,0-2.54-5.51,8.7,8.7,0,0,0-3.08-3.39,9.89,9.89,0,0,0-5.14-1.15H61a10.13,10.13,0,0,0-2.18.25V98.21a9,9,0,0,0,.79,4.29c.52.93,1.75,1.55,3.69,1.88l6.77.84v7.62H32.21v-7.62l5.93-1a4.05,4.05,0,0,0,3-1.57c.48-.8.72-2.34.72-4.6V42.43a8.48,8.48,0,0,0-.72-4.17c-.49-.77-1.58-1.31-3.27-1.64l-5.69-.84V28.16H66.45a68.36,68.36,0,0,1,13.79,1.27A33.28,33.28,0,0,1,90.77,33.3,18.6,18.6,0,0,1,97.48,40a19,19,0,0,1,2.36,9.74,16.66,16.66,0,0,1-1.45,7,20.72,20.72,0,0,1-3.87,5.74,27.34,27.34,0,0,1-5.44,4.42A37.64,37.64,0,0,1,83,69.89a29.7,29.7,0,0,1-6,1.7v.48a22.17,22.17,0,0,1,9.31,3.63,17.45,17.45,0,0,1,5.45,7.75l3.51,8.71q1.56,4,2.9,6.65a11.51,11.51,0,0,0,3,4,7.23,7.23,0,0,0,4.6,1.33,15.65,15.65,0,0,0,2.3-.18,23.61,23.61,0,0,0,2.9-.66l1.58,6.17a21.54,21.54,0,0,1-6.23,3.69A22.57,22.57,0,0,1,98.15,114.54ZM64.52,67.11a21.12,21.12,0,0,0,9.37-1.87,13,13,0,0,0,5.81-5.51,17.82,17.82,0,0,0,2-8.71,14.86,14.86,0,0,0-2-8.17A11.65,11.65,0,0,0,74,38.32a25.89,25.89,0,0,0-9.31-1.45H59v30q1.81.12,3.15.18C63,67.09,63.79,67.11,64.52,67.11Z" fill="#ffffff"/></svg><span style="font-size:12.5px;font-weight:600;letter-spacing:0.04em;color:#1e3a5f">Robovations</span></span><span style="align-self:stretch;height:1px;background:linear-gradient(90deg,transparent,#e0c485,transparent);margin:11px 0 13px"></span><span style="font-size:10px;font-weight:700;letter-spacing:0.15em;text-transform:uppercase;color:#7d6022">Autonomy Ladder&#8482;</span><span style="display:flex;justify-content:center;margin:13px 0 13px"><span style="display:inline-flex;align-items:flex-end;gap:6px;height:42px"><span style="display:block;width:9px;height:16px;border-radius:2px;background:#2f5a82"></span><span style="display:block;width:9px;height:22px;border-radius:2px;background:#2f5a82"></span><span style="display:block;width:9px;height:29px;border-radius:2px;background:#2f5a82"></span><span style="display:block;width:9px;height:35px;border-radius:2px;background:#2f5a82"></span><span style="display:block;width:9px;height:42px;border-radius:2px;background:rgba(20,32,46,0.12)"></span></span></span><span style="display:inline-flex;align-items:center;padding:4px 11px;border-radius:4px;font-weight:700;font-size:13px;letter-spacing:0.08em;color:#fff;line-height:1.2;white-space:nowrap;background:#2f5a82;">Level IV</span><span style="font-size:14px;font-weight:600;color:#111827;margin-top:9px">Environmental Autonomy</span><span style="font-size:10.5px;color:#6b7280;margin-top:7px;letter-spacing:0.02em">Independent classification</span></a>

Citation

Robovations. "Segway Navimow i Series: Autonomy Level 4 (Environmental Autonomy)." Autonomy Ladder™, assessed June 2026. https://robovations.com/robots/segway-navimow-i-series/

Where to next

Three ways to keep going.

For evaluators

Compare with a peer.

See the Segway Navimow i Series and Segway Navimow i215 LiDAR side by side: autonomy level, Robovations Score, readiness, and price. Classification, not a verdict.

See the full comparison

Or compare with Sunseeker S4, Robomow RC308 Pro X, Yarbo S1.

For browsers

See every Level IV.

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

Browse the database

Updated weekly with new entries and reclassifications.

Segway Navimow i Series

Will the Segway Navimow i Series work on your yard?

The full spec sheet.

Living with it.

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.