---
title: "Sunseeker S3: specs and what the maker claims"
description: "Sunseeker S3 robot mower: claims lawns up to 8,600 sq ft, slopes up to 30%, no boundary wire. The maker's claims, not our tests."
canonical: "https://homerobotcompared.com/robot-mowers/sunseeker-sunseeker-s3"
brand: "Sunseeker"
category: "Lawn mowers"
updated: "2026-10-09"
data_snapshot: "2026-10-07"
---

# Sunseeker S3

Lawn mower by Sunseeker. Every figure below is what the maker claims, collected 2026-10-07. We have not tested this robot.

List price: not available.

## Lawn and slopes

| Item | Value |
| --- | --- |
| Lawn size it can handle | 8,600 sq ft (800 m²) |
| Slopes | Up to 30% |
| Size group | medium |

## How it finds its way

| Item | Value |
| --- | --- |
| Guidance | Satellite and camera guidance |
| Boundary wire | No |
| Wire-free | Yes |
| Needs a base station on the lawn | Yes |

## Cutting

| Item | Value |
| --- | --- |
| Cutting width | 18 cm |
| Cutting height | 20 to 60 mm |
| Drive | 2WD |

## Battery, noise and weather

| Item | Value |
| --- | --- |
| Battery | 20V 4Ah |
| Noise | 60 dB |
| Water resistance | IPX5 |

## Connection and smart home

| Item | Value |
| --- | --- |
| Connection | Wi-Fi/Bluetooth (4G optional) |
| Smart home | Alexa; Google Home |

## Where it is sold

| Item | Value |
| --- | --- |
| United States | No |
| United Kingdom | Yes |

Well sourced. Source: https://sunseekertech.com/global/s3/specs

Notes: Has antenna charger; 30% = 17deg; not on US site

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Web page: https://homerobotcompared.com/robot-mowers/sunseeker-sunseeker-s3