Anthbot M9
For flat, tidy quarter-acre lawns on a budget, where it cuts neatly and quietly. Bumpy or overgrown yards will frustrate it.
Amazon $829 Anthbot $769$769
4.1/5
For budget buyers with open, gently sloped lawns up to a quarter acre who want wire-free RTK mowing at a low price.
- 0.25 acresLawn size
- RTK + visionNavigation
- 45% (24°)Max slope
- $3,160Price / acre
- 8.7 inCutting width
Check price at Amazon$789.52Check price at Ecovacs$999.99
Price checked October 21, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- One of the cheapest wire-free mowers with RTK guidance
- Light 24 lb body is easy to move between lawns
- Low 57 dB rating is quiet enough for neighbors
Cons
- Needs an RTK antenna with a clear view of the sky
- Short 65 min runtime and a slow recharge
- Narrow 8.7 in deck and 45% slope limit
- No edge trimmer, unlike the LiDAR PRO models
How it scores
The rating comes from 6 measured or published factors, each scored 0-100 against fixed reference points for its size. How we rank explains each one.
Specifications
| Coverage | |
|---|---|
| Lawn size (rated) | 0.25 acres (8,600 sq ft) |
| Max slope | 45% (24°) |
| All-wheel drive | No |
| Run time per charge | 1 h 5 min |
| Charge time | 1 h 40 min |
| Battery | 18 V 4 Ah |
| Navigation | |
| Navigation | RTK + vision |
| Boundary wire needed | No |
| RTK station | Included |
| Obstacle avoidance | AIVI 3D: AI camera + 3D-ToF |
| Multiple zones | Yes |
| No-go zones | Yes |
| Cutting | |
| Cutting width | 8.7 in (220 mm) |
| Cutting height | 1.2–3.2 in (30–80 mm) |
| Blades | Single blade disc |
| Edge mowing | Blade edge mowing; no trimmer |
| Smart features | |
| Connectivity | Wi-Fi, Bluetooth |
| Rain sensor | Yes |
| Anti-theft | PIN code lock |
| Build | |
| Noise (rated) | 57 dB(A) |
| Water resistance | IPX6 |
| Weight | 24.2 lb (11 kg) |
Alternatives in this size
Anthbot Genie 600e
For small lawns up to about a fifth of an acre where a low price matters more than slope ability or cutting speed.
Anthbot $699$699
Anthbot M9 Pro
For quarter-acre yards with heavy tree cover or tight spaces, where adding LiDAR to RTK is worth the premium over the M9.
Amazon $1,399 Anthbot $1,399$1,399
Compare
Compare the Ecovacs GOAT O1000 RTK with any other robot lawn mower →
More from Ecovacs: every Ecovacs product ranked.