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X3 Plus

Premium performance meets sensible spend

Built to handle trees, tight edges, slopes, and multi-zone layouts with confidence—so you spend less time babysitting and more time enjoying a consistently clean cut.

0.3 Acres

Coverage

30% / 17°

Max Slope

100 Zones

Multi-Zone

RTK+ Vision AI

Navigation

Not the Best Fit If
  • Large lawns (above 0.3 acre)
  • Yards with deep ruts or uneven ground
Self-driving-level Navigation Means

Stays Accurate When Real Life Happens

Open lawns are the easy part. Trees, narrow side sections, and changing light are what test navigation. The Sunseeker X3 Plus fuses RTK positioning with VSLAM vision to hold a stable path in typical home yards, then follows systematic parallel routes instead of moving randomly.

RTK + VSLAM fusion for precision guidance

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Recognizes Objects Accurately Day and Night

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Delivering efficient coverage with structured, predictable mowing performance.

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True Edge Cutting

Less Time Trimming

Edge cutting is where most robot mowers leave a strip behind. The X3 Plus Ride-on-Edge design reaches over borders to cut closer along fences, beds, and hardscapes, so a 0.3-acre yard needs less follow-up trimming and fewer manual touch-ups.

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Multiple zones + Automatic switching

Designed for Everyday Lawns

Built for the 3 things that make yards “hard.”

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Steep Slopes

Up to 30% (17°) slopes with strong traction

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Obstacle Density

Vision AI + 360+ obstacle recognition and avoidance

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Multi-area Layouts

Up to 100 zones with app schedules and no-go areas

Dual AI Vision

No Rescue Needed. Detect & Avoid 360+ Obstacles

Sunseeker Vision AI recognizes 360+ common yard objects and plans routes around them, helping reduce uncut grass around trees, beds, and garden features.

Automated Creation System™

Efficient Accuracy

Effortless mowing that adapts to your preferences, while being extra gentle on your lawn for a pristine and healthy landscape.

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Floating Cutting Disc

The floating cutting disc adjusts to the lawn's contour to support an even cut across dips and rises.

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Adjustable Height

Adjustable cutting height from 1.6 in to 3.2 in, with up to 1.6 in obstacle clearance, to suit different grass types and lawn preferences.

8" Cutting Width

8" Cutting Width

Angled blades cut an 8-inch width and handle thicker grass while helping prevent tangles.

Cutting-Edge Tech

Cutting-Edge Tech

Advanced cutting-edge innovation drives next-level autonomous mowing performance.

SMART CONTROL

TOTAL CONTROL IN YOUR POCKET

Sunseeker robotic lawn mower app interface Sunseeker app mowing schedule screen Sunseeker app smart maintenance screen

Create separate zones for different lawn areas. Assign unique schedules, cutting patterns, and priorities to each zone.

SUNSEEKER Tech

What's in the Box

Why X3 Plus Is the Smarter Pick for Small-to-Medium Yards

  Sunseeker X3 Plus Segway Navimow i110 / i210 AWD eufy E18 Mammotion LUBA mini AWD 800H / 1500H
Recommended Mowing AreaUp to 0.25 acreUp to 0.3 acreApprox. 0.2–0.37 acre by model
Sunseeker Best For———
Drive Systemi110 non-AWD / i210 AWDNon-AWD positioningAWD
Max Slope30%–45% by model18°Up to 80% / 38.6°
NavigationRTK / Vision by modelVision-based navigationNetRTK / Vision by model
Boundary SetupWire-freeWire-freeWire-free
Cutting Width7.1 in8 in7.9 in
Edge / Border MowingModel-dependentVisual edge mappingModel-dependent
Multi-Zone ControlMulti-zone supportMulti-zone supportMulti-zone support
Key Sunseeker Advantage———

Competitor specs based on publicly listed flagship models and may vary by configuration. Verified Jun 2026.

Cost Calculator

What costs less long-term: mowing yourself, hiring help, or owning a robot mower?

Pick how you mow today. We'll show break-even and long-term savings with a Sunseeker robot.

Choose your Sunseeker mower

Hiring Cost Details

55
3
8

2y 1mo

to break even

$3,901

Save over y

Avg: $65/mo

Hiring service

$6,600

Mower cost

$2,699

Cumulative Cost Over Time

Red line: Average Monthly Cost. Longer use means lower cost per month.

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FAQ

What is the battery capacity of the X3 Plus?

The X3 Plus fully charges in about 90 minutes and runs for up to 2 hours per charge before returning to its station to recharge.

X3SunseekerAntennaBugsDetective munchGarageLocationPriceSetupUnit
  • 5 stars: 250 (78%)
  • 4 stars: 67 (21%)
  • 3 stars: 4 (1%)
  • 2 stars: 0 (0%)
  • 1 star: 1 (0%)
G
Gavin V.
Crisp borders without me touching a trimmer

Bought it for the Ride-on-Edge and it delivered — clean hardscape edges, beds avoided, and I do nothing. Excellent mower.

A
Amir O.
Dodges the kids' toys like it can see them

Vision AI spots the ball and the chew toy and steers around in real time. No more clearing the yard before every mow.

H
Hannah S.
Edge cutting is the reason; zones took a bit

Bought it for the Ride-on-Edge and the fence line is spotless. Mapping the front/back/side zones and no-go areas took a couple passes to nail, but it's been perfect since.

Great to hear it's performing, Hannah. Noted on the app onboarding — our team is actively working on that. Thanks for the four stars. — SUNSEEKER Tech

K
Kendra P.
The string trimmer has been retired

Ride-on-Edge cuts right to the fence and paver borders. That weekly 20-minute edging chore is just gone. Best feature on any robot I've seen.

I
Indira R.
Two chores gone in one buy

Between the edge cutting and per-zone scheduling, it retired my mowing and my string-trimming. AONavi keeps it precise around the beds. Weekends back.

S
Shane W.
Great mid-size mower, app has a curve

Handles our medium lot and the obstacle avoidance is quick. The multi-zone tools work well but take a little learning. Worth it.

Shane, we appreciate the feedback. You can fine-tune the blade screws in the latest app update — reach out to support and we'll walk you through it. — SUNSEEKER Tech

F
Franklin R.
Three zones, three schedules, no fuss

Front, back and side yard each mapped separately with no-go areas around the garden. AONavi keeps it precise across the 0.3 acre.

J
Jared W.
Geofence warning settled my theft worry

We back onto a public path so theft was a concern. The GPS lock and geofence alert put that to rest — and the clean hardscape edges are the weekly payoff.

G
Giselle G.
Fence line looks like a service did it

The offset blade reaches edges other robots leave shaggy. Our fence and driveway borders are crisp with no hand-trimming. Sold on that alone.

W
Wren H.
Actually cuts the strip others leave

Every robot I looked at leaves an uncut band along fences and walls. The X3 Plus's offset blade reaches it. On a 0.3-acre lot full of borders, that sealed the deal.

B
Brieana G.
Worst experience ever

I’ve taken some chances on products before but none have disappointed me quite as much. This robot lawn mower certainly isn’t wireless as it requires an antenna to either be mounted to your roof or in the middle of the yard WITH A WIRE! Sure the robot itself could drive around without a wire, but that’s assuming the antenna can ever get an adequate signal. If your yard is so small that this thing could actually work then why not just buy a cheap hand mower or pay someone minimally to cut it. Installation is complex and full of failures. Save your time and money. Absolutely the worst would give zero stars if possible.

D
Dale i.F.
A landscaper that always shows up!

We love our X3 (we call him Detective Munch) He works hard. The set-up was pretty easy though the driving/mapping took a minute to get right. Also the cutting level dial was not described in the set-up documentation so i had to look that up. Also, being in florida, the rain sensor picks up the morning dew so the robot doesnt go out on schedule sometimes unless i dry it off or override the rain sensor. I would recommend the garage but not sure if the one on Sunseeker is worth the price as it expensive.

L
Linh K.
Front, back, and side yard all mapped separately

Multi-zone in the app is fantastic — each area on its own schedule with no-go zones around the garden. AONavi keeps it precise everywhere on our 0.3 acre.

M
Marisol B.
Great mid-size mower, app learning curve

Handles our medium yard and the obstacle avoidance is quick. The multi-zone tools work well but aren't the most intuitive at first. Worth it once you learn them.

Great to hear it's performing, Marisol. Noted on the schedule options — our team is actively working on that. Thanks for the four stars. — SUNSEEKER Tech

C
Colton R.
Clean borders without me touching a trimmer

Bought it specifically for the Ride-on-Edge and it delivered. Hardscape edges are crisp, beds are avoided, and I do nothing. Excellent.

R
Ravi M.
The only robot that actually cuts the edges

Every other model leaves a strip along walls and fences. The X3 Plus's offset blade gets right up to them. That's the differentiator that sold me.

K
Kaitlyn E.
Edges so clean people ask if we hired a service

The offset blade reaches the borders other robots leave shaggy. Our fence line and driveway edge look professionally done. That feature alone is worth it.

Kaitlyn, this made our day — thank you for taking the time to share it. — SUNSEEKER Tech

M
Marnie N.
My string trimmer has been in the shed for a month

The Ride-on-Edge blade cuts right to the fence and paver edges. I used to spend 20 minutes edging every week — the X3 Plus made that chore disappear.

T
Travis G.
Love the edge blade, zone setup took patience

The Ride-on-Edge cutting is the star. Getting the no-go areas mapped just right took me a few passes, but once dialed in it's flawless.

Thanks Travis — appreciate you flagging the rain sensor timing. A firmware update coming soon addresses exactly that. — SUNSEEKER Tech

P
Priya S.
Dodges the kids' toys like it has eyes

Vision AI spots the soccer ball and the dog's chew toy and steers around them in real time. No more picking up the yard before every mow.

D
Darnell Y.
Geofence alert put my mind at ease

We're near a busy path and theft worried me. The GPS lock and geofence give me peace of mind. And honestly the edge cutting is the best part of owning it.

I
Ivan D.
Retired two chores at once

Between edge cutting and multi-zone scheduling, the X3 Plus killed my mowing AND my edging on our 0.3 acre. Saturday mornings are mine again.

Thank you Ivan — nothing beats hearing the edge cutting is doing its job. — SUNSEEKER Tech

D
Divya K.
Smart, tidy, and no more string trimmer

Between the edge cutting, multi-zone maps, and dynamic obstacle avoidance, this thing basically retired my trimmer and my Saturday mornings.

Divya, this made our day — thank you for taking the time to share it. — SUNSEEKER Tech

D
Devonte L.
Anti-theft geofence eased my mind

We back onto a walking path so theft worried me. The GPS lock and geofence alerts made me comfortable. And the edge cutting is honestly the best part.

L
Latoya P.
No more trimming along the fence line

This is the feature nobody else has. The offset blade reaches the edge so my fence line looks clean without me touching a string trimmer. Game changer for a 0.3-acre yard.

C
Camila Q.
Perfect middle-size yard mower

0.3 acre with a few garden beds and pathways, and the X3 Plus manages all of it. The multi-zone app control and edge cutting are the standout features for me.

Camila, this made our day. Reviews like yours are exactly why we build these. — SUNSEEKER Tech

Y
Yuki K.
Great edge performance, app has a learning curve

The offset blade along the fence is fantastic and the obstacle avoidance is quick. The app's multi-zone tools work but aren't the most intuitive at first. Worth it once dialed in.

Thanks Yuki — appreciate you flagging the setup time. A firmware update coming soon addresses exactly that. — SUNSEEKER Tech

H
Harold S.
Clean edges, tidy beds

The offset blade gets so close to the flower beds and fence that the whole yard looks professionally edged. My neighbor asked who does my lawn.

Y
Yancy T.
No trimmer, no bending, sold

The part I hated most was edging along the fence on my knees. The offset blade does it automatically now. That feature alone earns five stars.

N
Norval O.
Kept the kids' play area safe

With a set-and-forget schedule the play area stays trimmed and even, no bare patches. And the geofence means it never wanders past the yard.