Sunseeker X9 Wireless Robot Lawn Mower | 3 Acres

The Sunseeker Elite X9 is a wire-free robot lawn mower for large lawns up to 3 acres (12,000 m² per 48-hour cycle). AONavi 2.0 navigation — nRTK + VSLAM 2.0 — delivers centimeter-level precision without perimeter wires or antenna stations. The 360° OmniSight Full Scene System uses 16 sensors including binocular cameras, iToF, infrared, side ToFView cameras, and dToF × 2 for 24/7 obstacle detection. 4WD all-wheel drive with 4-wheel independent suspension handles slopes up to 90% (42°). 17" dual-disc cutting system, 190W magnetic motor, 0.8"–4.0" electric height adjustment. 8 Ah 42V battery with 7A fast charger (50-min fast charge). IPX6 waterproof. 5-year nRTK 4G anti-theft standard. EdgeZero trimmer optional.

• AONavi 2.0 — nRTK + VSLAM 2.0, no antenna required — centimeter-level precision; wire-free setup; unlimited multi-zone mapping and path optimization.
• 360° OmniSight — 16 sensors, 24/7 — binocular + iToF + infrared + side ToFView + dToF × 2; detects static, dynamic, and low-profile obstacles day and night; animal-friendly infrared detection.
• 4WD + 4-wheel independent suspension, 90% slope — 2 steering motors; 10" front AI-terrain wheels; handles the steepest terrain in the Sunseeker lineup.
• 17" dual-disc cutting system, 12 blades — 190W ultra-powerful magnetic motor; 0.8"–4.0" electric height adjustment; 4 wheel brushes; EdgeZero trimmer optional.
• 8 Ah 42V battery — 7A fast charger, 50-min charge — auto return-to-charge and resume; max mowing speed 2 ft/s.
• 5-year nRTK 4G anti-theft — standard — real-time GPS tracking, geofencing, and boundary alerts included for 5 years.
• IPX6 waterproof — rain sensor auto-returns to base; LED lights; FOTA updates; Alexa & Google Home; Wi-Fi / Bluetooth / 4G.

Specifications

Before You Buy — What You Should Know

Shipping: Ships free to the contiguous United States. Contact our team for estimated delivery timelines before ordering.

Setup: Wire-free — no antenna station required. App-guided setup via Wi-Fi or Bluetooth. 4G module standard.

Coverage: Rated for up to 3 acres (12,000 m²) per 48-hour cycle. For smaller lawns, see the X7 Plus Gen 2 (1.5 acres). For larger properties up to 6 acres, see the X9 Plus.

EdgeZero trimmer: Optional on the X9 — standard on the X9 Plus. Provides zero-distance cutting at right angles along fences and boundary areas.

Anti-theft: nRTK 4G anti-theft included standard for 5 years — longer coverage than the X Gen 2 series (2 years).

Who It's For: Homeowners and property managers with large lawns up to 3 acres who need extreme slope handling (90%), 24/7 OmniSight obstacle detection, and a wide 17" cutting deck. The X9 is the professional-grade step-up from the X7 series — built for estates, complex terrain, and demanding conditions.

Support: Our team can help with model selection, setup questions, and connectivity. We've done the research. You make the decision.

You May Also Like

• Sunseeker Elite X9 Plus — 6 acres, same 90% slope + OmniSight; 17A flash charger (20-min charge), 3.3 ft/s speed, EdgeZero standard, 66.9 lbs.
• Sunseeker Elite X7 Plus Gen 2 — 1.5 acres, AWD, 70% slope, 14" dual disc, 10 Ah battery.
• Sunseeker Elite X7 Gen 2 — 0.75 acre, AWD, 70% slope, dual disc, electronic height adjustment.