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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: 234 (78%)
  • 4 stars: 63 (21%)
  • 3 stars: 4 (1%)
  • 2 stars: 0 (0%)
  • 1 star: 0 (0%)
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.

C
Clifton B.
GPS anti-theft gives me peace of mind

We're on a corner lot with foot traffic, so the GPS tracking and geofencing matter to me. Nice to know it'll alert me if it ever leaves the yard. Cuts great too.

L
Lurline S.
0.3 acre with beds everywhere, handled

My wife plants beds all over our third of an acre and the X3 Plus maps around each one, then edges the borders clean. Handles a fussy layout better than I do.

A
Arnett N.
Tight urban lot, clean to the fence

Our city lot is small with fence on three sides, so every inch of edge matters. The offset blade cuts right up to it and the AI maps the whole thing. Looks manicured now.

E
Elena R.
Cuts to the fence line beautifully

The whole reason I bought it was to stop trimming edges by hand, and it delivers. Fence, hardscape, bed borders — all cut clean by the offset blade.

G
Garrett D.
Threads my paths and beds

Vision AI dodges the garden ornaments and it navigates the narrow path to the back beds without trouble. Impressed by how precise it is for the price point.

D
Delma R.
Reclaimed my Saturday mornings

The hand-edging along the fence used to eat my mornings. The offset blade does it now. Best hours I've gotten back.

N
Nannie M.
Edging superb, geofence alarm loud

The edge cutting and multi-zone scheduling are fantastic. The anti-theft alarm startled me until I turned it down. Still an easy four stars.

Thanks Nannie — the app curve is real for a feature-rich mower. Reach out and we'll help you master zones and edging fast. — SUNSEEKER Tech

C
Chantal P.
Cuts where other robots leave a strip

Every other robot mower I looked at leaves an uncut band along fences and walls. The X3 Plus's Ride-on-Edge blade gets it. That alone sold me.

K
Kaitlyn O.
Edge cutting is great, RTK needs open sky

The Ride-on-Edge trimming is fantastic near my hardscape. Just note the RTK wants a decent view of the sky — I had to reposition the antenna once for a shady corner. After that it's been rock solid.

Thanks Kaitlyn — fair point, and we appreciate the honest feedback. If you ever want a hand fine-tuning the app or setup, our team's a message away. — SUNSEEKER Tech

K
Kendra Q.
Multi-zone setup handles my split yard

Front, back, and the side strip are all separate zones in the app with no-go areas around the garden. AONavi keeps it precise everywhere. Really smart mower.

I
Ingrid S.
Very good, app has a learning curve

Great mower once dialed in. Setting up the zones and no-go areas took some tinkering, but the edge-cutting result is excellent. Would recommend.

Appreciate the review, Ingrid. Noted on that — we're always improving the app experience, and support is happy to help you dial it in. — SUNSEEKER Tech