Roborock S4 Reviews: See Why 0 Shoppers Rated It 0 Stars!

Roborock S4 Robot Vacuum Review: Efficient Cleaning for Multi-Surface Homes

In the rapidly evolving world of robot vacuums, the Roborock S4 stands out as a compelling option designed for pet owners, apartment dwellers, and multi-surface households. Released in 2019, this model aims to combine strong suction power with intelligent navigation to deliver thorough cleaning performance. By blending practical features like a HEPA filtration system with advanced mapping technologies, it makes a strong case as a reliable daily helper. If you ever wondered how high-tech you can get from a mid-tier robot vacuum, the Roborock S4's specs tell an interesting story.

Detailed Specs & Features

On paper, the Roborock S4 offers a substantial 2000 Pa suction power, boosting its airflow to 17 cubic feet per minute and supporting four distinct suction levels to adapt to different surfaces and debris types. The vacuum is engineered with a glossy finish and measures 13.8 inches in width and depth, with a slim profile height of just 3.5 inches, allowing it to access tight spaces under furniture. Its battery holds 5200 mAh of capacity, expected to run for up to 150 minutes on a full charge, a respectable duration for its size and power class. This battery is also replaceable, giving it potential longevity beyond typical wear cycles. The Roborock S4 is equipped with a multi-layer HEPA filtration system designed to trap allergens efficiently, which is quite beneficial for homes with pets or allergy sufferers. The dustbin, with a top-mounted placement and a 20.29-ounce capacity, locks automatically when removed, ensuring mess-free disposal. The vacuum supports LIDAR-based structured navigation combined with SLAM algorithms for excellent mapping accuracy, capable of managing up to four floors with auto partitioning and edits supported through cloud synchronization features for remote access. Connectivity includes app control with compatibility for both Alexa and Google Assistant, enabling voice commands and smart scheduling. The system supports multiple users and languages, enhancing usability in diverse households. Safety is well-addressed with a suite of sensors that include cliff detection, bumpers, and anti-tangling, along with certifications like UL and CE for battery safety.

User Experience & Performance (Based on Specs)

Design & Build

Measuring just 3.5 inches tall and weighing 8 pounds, the Roborock S4 balances portability with robust performance. The 0.8-inch ground clearance aids its ability to navigate uneven floors or small obstacles up to 0.8 inches high, such as thresholds or transition strips. The glossy black finish and compact footprint convey a modern aesthetic while practical dimensions ensure that it fits in tight spots like under beds and sofas.

Performance

Powered by a strong brush speed hitting 1350 RPM and augmented by a bristle main brush and a single side brush, the vacuum excels in edge cleaning and reaches a maximum path width of 7.9 inches per pass. Notably, it auto-boosts suction on carpets and detects dirt levels automatically, enhancing dirt pickup efficiency rated at 90%. The vacuum can cover areas up to 2150 square feet and is capable of unlimited cleaning cycles daily, which is reassuring for large homes or frequent clean-ups. The focus on tile flooring and carpets up to 0.79 inches ensures versatility without overextending its mechanical abilities.

Navigation & Mapping

Its LIDAR-based navigation with night vision enables precise obstacle avoidance and room recognition even in dark conditions, setting it apart from camera-only models that struggle in low light. The structured navigation backed by SLAM allows the S4 to store up to three maps and handle up to four floors, which is pretty advanced for this price range. The support for virtual no-go zones and smart partition editing remotely through cloud map sync means users can tailor cleaning schedules to their home layout effortlessly.

Extra Features

The Roborock S4 shines with its app control, providing real-time mapping and selective room or zone cleaning options. The integration with Alexa and Google Assistant adds convenience for voice-controlled cleaning, while eco and do-not-disturb modes offer quiet, tailored operation. Maintenance alerts and a filter replacement indicator support long-term usability, complemented by a one-year warranty and globally available service.

Pros & Cons

Pros

• Strong 2000 Pa suction with adaptive auto boost for carpets
• Sophisticated LIDAR navigation with multi-floor mapping and cloud sync
• HEPA multi-layer filtration for allergen control
• Replaceable battery and long runtimeof  around 150 minutes
• Supports app control, voice assistants, and multiple users/languages

Cons

• No built-in mopping feature limits overall floor cleaning versatility
• No fast charging, so charging can take up to 4 hours
• Lack of advanced AI-powered obstacle recognition found in pricier models

Price & Value for Money

Priced at a competitive $179.99 at the Roborock official store, the S4 offers considerable value considering its features. The one-year warranty and globally available service network add to the peace of mind for buyers. With strong cleaning performance backed by a sizable battery capacity and intelligent multi-floor mapping capabilities, the price feels justified for households looking for reliable automated cleaning without premium frills like mopping. It strikes a good balance for apartment owners or pet households that demand efficient vacuuming on both hard floors and carpets.

Quick Take

In short, the Roborock S4 fuses powerful suction and smart navigation to deliver consistent, allergen-sensitive cleaning. If we look at the numbers alone, its 150-minute runtime, HEPA filtration, and extensive app control make it a strong candidate for those focused on solid vacuuming performance without costly extras. Minor drawbacks like a lack of mopping and a lengthier charge time are offset by its overall versatility and ease of use.

Closing Recommendation

The Roborock S4 may be ideal for users seeking dependable automated vacuuming for multi-floor homes, especially where pet dander and dust allergies are concerns. Its intelligent mapping and long runtime help users achieve thorough floor coverage and optimal scheduling. While it doesn't offer mopping, its core vacuuming strengths are evident, positioning it as a smart, moderately priced cleaning companion.

Verdict

Rating: Based on the specifications and overall feature set, we believe Roborock S4 deserves 4.3 out of 5.

• Winner Feature → Advanced LIDAR navigation allowing multi-floor mapping with cloud synchronization
• Needs Improvement → Absence of mopping capabilities and slower charging time.