# Segway Navimow X330 review

Fast wire free mower for one acre yards with 50% slopes

- Our score: not scored yet
- Price: $2,299 (checked Oct 26, 2026)
- Status: on sale
- Best for: large open yards up to 1 acre
- Skip if: your yard is small or very rough
- HTML version: https://robotsforthat.com/robot/segway-navimow-x330/

## Verdict

A strong choice for a big, open yard up to an acre where speed matters. Testers found its navigation accurate even under trees. It is two wheel drive, so very rough or soft ground may be a problem, and it is overkill for small lawns.

## Pros

- 160 min of mowing per charge
- Handles 50% slopes
- Network RTK means no antenna in many areas
- Wide 9.3 in cut

## Cons

- Rear wheel drive only
- Costly for small lawns
- Large body
- Zone limit not published

## Specs

- area: Up to 1.0 acre
- max slope: 50% (27°), 25% (14°) at the boundary
- navigation: EFLS 3.0 (RTK plus visual SLAM and visual inertial odometry); 300° RGB and ToF obstacle detection
- boundary wire: Not needed
- cut width: 9.3 in
- cut height: 2 to 4 in, auto adjust
- battery runtime: 8Ah battery, 160 min mowing per charge, 65 min recharge
- drive: Rear wheel drive
- rtk required: Network RTK where coverage exists, no local antenna needed; GNSS antenna kit included
- noise: 60 dB(A)
- weather: IP66

## Safety

- recalls: Not checked
- fcc: Not checked
- company status: Active

## Questions buyers ask

### Do I need an RTK antenna?

Navimow says Network RTK needs no local antenna where coverage exists. A GNSS antenna kit is in the box.

### How long does it mow per charge?

Navimow lists 160 minutes of mowing and 65 minutes to recharge.

### How steep can my yard be?

Navimow rates it for 50% (27°) slopes and 25% at the boundary.

## Sources

1. [Navimow X3 series spec page](https://navimow.com/pages/navimow-x3-specs)
2. [Navimow US sale page with prices](https://navimow.com/pages/black-friday)
3. [Navimow X3 series US launch press release](https://navimow.com/blogs/newsroom/segway-navimow-x3-series-hits-us-retail-powerful-robotic-mowing-for-large-properties-starting-today)
4. [TechRadar Navimow X3 series review](https://www.techradar.com/home/small-appliances/segway-navimow-x3-series-robot-lawn-mower-review)
5. [Navimow US accessories](https://navimow.com/collections/accessories)