Roborock S4 Max Robot Vacuum Review

The Roborock S4 Max is a high-performance robotic vacuum designed for homeowners who want precise navigation, strong suction, and efficient cleaning without the added complexity of mopping features. Built for tackling dust, dirt, and pet hair on a variety of surfaces, it focuses entirely on vacuuming performance, making it a strong choice for those who prefer a dedicated floor-cleaning robot. In this review, we will explore its key features, build quality, cleaning performance, and overall value to help you decide if it’s the right fit for your home.

Key Features of the Roborock S4 Max

The Roborock S4 Max combines advanced mapping technology with powerful suction to deliver consistent results. Here are its main specifications:

  • Navigation: LiDAR laser navigation with real-time mapping

  • Suction Power: Up to 2000 Pa

  • Dustbin Capacity: 460 ml

  • Battery Life: Up to 180 minutes per charge

  • Climbing Ability: Up to 2 cm for transitioning between floors and rugs

  • Control: Roborock app, voice assistant compatibility

  • No Mop Function: Dedicated vacuuming for focused performance

By focusing solely on vacuuming, the S4 Max maximizes efficiency and suction performance for homes that don’t require mopping.

Smart Navigation and Mapping

Equipped with LiDAR navigation, the Roborock S4 Max creates detailed and accurate maps of your home. The robot plans its cleaning route intelligently, ensuring complete coverage without random movements. Users can set no-go zones, schedule room-specific cleanings, and store up to four different maps—perfect for multi-story homes.

The mapping system is responsive and adapts over time, optimizing routes to save battery while still covering every accessible area.

Strong Vacuuming Performance

With 2000 Pa of suction power, the S4 Max can pick up fine dust, crumbs, and pet hair from hard floors and carpets. It automatically adjusts suction when transitioning from hard flooring to rugs for deeper cleaning. The main brush and side brush work together to lift debris efficiently, making it well-suited for daily maintenance in busy households.

Its low-profile design allows it to reach under most furniture, ensuring hidden dust is also captured.

Build Quality and Design

The Roborock S4 Max features a clean, minimal design with a sturdy build. Its dustbin is easy to remove and empty, while the filter is washable for long-term use. The overall construction feels durable, and the wheels are capable of handling small thresholds and carpet edges without issue.

Ease of Use and App Control

The Roborock app provides full control over cleaning schedules, suction levels, and zone selection. You can also view live cleaning progress and adjust settings mid-session. The S4 Max works with Alexa and Google Assistant, allowing for quick voice commands to start or stop cleaning.

The app interface is user-friendly, making setup and operation straightforward even for first-time robot vacuum owners.

Pros and Cons of the Roborock S4 Max

Pros:

  • Precise LiDAR navigation with multi-floor mapping

  • Strong suction power for various floor types

  • Long battery life for larger homes

  • Customizable cleaning zones and schedules

  • Reliable app and voice assistant compatibility

Cons:

  • No mopping feature for those who want dual cleaning

  • No self-emptying base option

  • Slightly taller profile may prevent entry under very low furniture

Ideal for Homes Focused on Vacuuming

The Roborock S4 Max is perfect for homeowners who want a dependable, high-precision robot vacuum without paying for mopping features they won’t use. It’s especially well-suited for pet owners and multi-story homes where strong suction and accurate mapping are priorities.

While it doesn’t offer the all-in-one functionality of hybrid models, its dedicated vacuuming performance and long runtime make it a reliable choice for daily cleaning.

Final Thoughts on the Roborock S4 Max

In summary, the Roborock S4 Max delivers powerful, precise vacuuming with excellent navigation capabilities. Its ability to store multiple maps, customize cleaning zones, and maintain strong suction across floor types ensures consistent results.

For anyone seeking a focused, efficient robot vacuum that prioritizes accuracy and performance, the S4 Max stands out as a well-rounded option for everyday floor care.