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RELEASED 2022.08REASSESSED 2026.08.06
Greenworks

Greenworks Optimow 50H

Wire-guided half-acre mower with cellular control. Greenworks publishes a 1/2 acre mowing area on 3/4 acre lots, an 8.7 inch cut across three pivoted blades, cutting heights from 2.4 to 4 inches over nine positions, a 35 percent maximum slope, and an average 150 minutes of cutting against about 70 minutes of charging. Containment is a buried perimeter wire; a 4G modem and integrated GPS handle app control and location tracking, on a SIM prepaid for two years.

Superseded byGreenworks AiMowbot C40
Greenworks Optimow 50H
FIT CHECK

Will the Greenworks Optimow 50H work on your yard?

Describe your yard using the controls. Each choice reads the spec sheet for you, flagging where the Greenworks Optimow 50H 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.

20 in25 inTOP12.2 in25 inSIDEDimensional drawing
Key specificationsManufacturer-published
Footprint
20 × 25 in · 12.2 in tall✓
Weight
26.4 lbs✓
Battery
35 Wh · Li-ion
Network
Cellular
Mapping & navigation

Buried boundary wire with random-path obstacle avoidance

Where it lands · ranked across 91 robot lawn mowersThis robotMedianTypical range
Runtime150min
30 min240 min
Near median
Price$1,599.99
$451$5,999
Near median
Noise62dB
50 dB82 dB
Near median
Charge time70min
30 min300 min
Near median
Weight26.4lbs
11.9 lbs134 lbs
Near median

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

Official referencesManufacturer supportProduct page
OWNERSHIP

Living with it.

Limited longitudinal data; app-first positioning and budget-tier components suggest careful monitoring during first season.

Fewer owner reports are available compared to established wire-guided competitors. Greenworks brand reputation is built on cordless power tools, not robotics; the Optimow 50H represents early-stage market entry. Primary risks are motor reliability under extended load and app platform stability.

Owner effort~2.5 hrshands-on per month
Consumables$80replaceable parts / yr
Reliability trendUnprovenowner-reported arc
What goes wrong · 4 documented · 0 self-recover
Common
Blade dulling and cutting performance lossRagged edges, slower coverage, increased motor load
Owner fixReplace blade set every 4-6 weeks; estimated 15-25 USD per replacement
Occasional
Boundary wire breaks from landscaping changesMower escapes zone or stops operation
Owner fixTrace and splice wire; standard repair kits 10-20 USD
Occasional
App connectivity or sync failuresScheduling misfires; manual operation required
Owner fixRestart app or factory reset mower; reinstall scheduling if persistent
Occasional
Motor stalling in dense turfMower halts mid-cycle; may require manual repositioning
Owner fixClear accumulated grass from intake; reduce mowing height or allow turf to recover
Step-by-step fixesWet Grass or RainBlades Not Spinning or Not Cutting?Boundary Wire BreakAll robot mower guides
Upkeep routine
Weekly52×/yr
Clear grass clippings from intake and blade area.
Monthly12×/yr
Inspect charging-dock contacts for corrosion or debris.
Seasonal4×/yr
Boundary wire inspection for breaks and repair (kits 10-20 USD).
Yearly1×/yr
Battery health check; software updates via the GreenGuide app.
As neededno fixed schedule
Replace the three pivoted blades (estimated 15-25 USD per set). They are consumables and are not sharpened; sharpening changes the balance of a part that swings free on a pivot. · The pre-installed SIM ships with two years of prepaid data. App control and GPS tracking after that depend on renewing the cellular subscription.
Cost over time · past the sticker
PurchaseRunning cost
Year 1
$1,679
Year 3
$1,839
Year 5
$1,999

$1,599 to buy, then about $80 a year for the replaceable parts below. Over three years that is roughly $240 past the sticker price. Excludes electricity and any repairs.

What you replace
  • BladesEvery 4-6 weeks

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

Safety notes

CautionBlade rotation hazard during handling: Blades may rotate briefly after power-down; allow full stop before manual intervention.

NoteBoundary wire electrical contact risk: Wire carries low-voltage signal; animals may investigate during mowing cycles.

RECORD

How the assessment has moved.

Every announcement, release and reassessment behind the current classification.

Coming soon
Just launched
Active updates
Settled
Discontinued
  1. Jan 2023 · AnnouncementGreenworks shows Optimow 50H boundary-wire mower at CES 2023 lineup reveal
  2. Mar 2025 · NewsOptimow 50H owner reports surface app connectivity as reliability concern
  3. Jul 2026 · AssessmentRobovations Score recorded at 54 of 100
  4. Jul 2026 · AssessmentRobovations Score revised 54 → 63
  5. Aug 2026 · AssessmentRobovations Score rescored under v4.0: 63 → 55
  6. Aug 2026 · AssessmentRobovations Score rescored under v4.2: 55 → 57
  7. Aug 2026 · AssessmentRobovations Score withheld: too little independent evidence
Common questions

What people actually ask.

5 answered
OperationWhat area and cutting width does the Optimow 50H cover?
Greenworks publishes the 50H as designed for 3/4 acre lots with a 1/2 acre mowing area, about 21,780 sq ft, cutting an 8.7 inch width with three pivoted blades. Average cutting time is 150 minutes and average charging time is about 70 minutes, so the mower works the lawn in cycles across a schedule rather than finishing a half acre in a single run.
CompatibilityCan I control the Optimow 50H via smartphone app?
Yes, over cellular rather than home Wi-Fi. Greenworks states that 4G connectivity is required and ships the mower with a pre-installed SIM card carrying a two-year prepaid subscription. The GreenGuide app controls the mower from anywhere on that connection, and integrated GPS gives real-time location. Boundaries are not set in the app: containment is the buried perimeter wire.
OwnershipWhat is the blade replacement cost and schedule for the Optimow 50H?
The Optimow uses three pivoted cutting blades, the small free-swinging type used across the robotic mower category. They are replaced rather than sharpened; sharpening changes the balance of a part that swings free on a pivot. Manufacturer documentation and retail sources provide limited specificity; estimated blade life is 4-6 weeks at 1-2x weekly mowing, and replacement sets likely cost 15-25 USD based on category standards, but exact Greenworks part pricing requires current retailer verification.
OperationDoes Greenworks offer perimeter-wire installation or setup support?
Greenworks provides installation guidance in the user manual; professional installation partnerships vary by region. Owner reports recommend 2-4 hours for initial setup. Greenworks customer service is less extensive than Husqvarna’s established dealer network.
OperationIs the Optimow 50H available in all US regions?
Availability is concentrated through online retailers and select regional dealers. Greenworks has less extensive brick-and-mortar distribution than Husqvarna or established lawn-equipment brands. Direct purchasing from Greenworks or e-commerce sites is common.

More in this category

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McCulloch ROB R1000II
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McCulloch ROB R1000

Wire-dependent setups, sub-1-acre properties, gentle slopes, seasonal hands-on care
Discontinued$1,200
Capable63/100
Ambrogio Twenty EliteII
Robot Lawn Mowers

Ambrogio Twenty Elite

Compact wired yards under ½ acre, irregular geometry, proven platform.
Provisional$1,999
Capable69/100
Gardena Sileno Life 750II
Robot Lawn Mowers

Gardena Sileno Life 750

Flat, manicured lawns under 750 sq m with stable wire perimeter.
Verified$1,199
Strong70/100
Husqvarna Automower Aspire R4II
Robot Lawn Mowers

Husqvarna Automower Aspire R4

Small yards under 400 sqm, flat terrain, budget-conscious entry-level buyers
Verified$699
Capable63/100
Availability

Where it's sold

We may earn commission from qualifying purchases. This does not influence classification.

We are no longer finding a current new-stock listing for this robot. Remaining offers may be used, refurbished, or third-party — confirm the condition and price on the retailer’s page before buying.

Amazon See current listings
Cite / Embed

Reference the Greenworks Optimow 50H classification.

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By RobovationsUpdated: Aug 6, 2026
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