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Eufy S2 specifications and in-depth review

Eufy S2

Manufacturer: Eufy

The Eufy Omni S2 is a full-featured robot vacuum cleaner that combines automated floor cleaning with an integrated mopping system. Designed to handle a range of floor types, it includes carpet detection, a dirt sensor, and self-emptying functionality that extends the time between manual maintenance to an estimated 60 days. It connects via Wi-Fi and is compatible with both Google Assistant and Amazon Alexa for voice-based control.

On the technical side, the Eufy S2 delivers 30000 Pa of suction power across four cleaning modes at a speed of 0.27 m/s, with a 120-minute runtime on its 2600 mAh battery and a charge time of around 3 hours. The robot weighs 9450 g and measures 358 mm wide by 98 mm tall. Its 0.33-litre dustbin is paired with washable HEPA and allergy filters, while mop raising and mop drying support help manage wet cleaning tasks. Mapping, no-go zones, route mapping, and scheduled cleaning round out the feature set.

Pros
  • Self-emptying functionality extends the time between manual bin maintenance to an estimated 60 days
  • Suction power of 30000 Pa across four cleaning modes handles a range of floor types
  • Integrated mopping system includes mop raising and mop drying, reducing the need for manual intervention after wet cleaning
  • Mapping, route mapping, and no-go zone support allow structured and controlled cleaning sessions
  • Up to 120 minutes of runtime on a single charge supports extended cleaning sessions
  • Both a HEPA filter and an allergy filter are included, helping to capture fine particles and allergens
Cons
  • Dustbin capacity of 0.33 litres is relatively small for the robot vacuum category
  • Does not support virtual barriers, limiting boundary control to no-go zones set through the app
  • No display or full-bag indicator, so there is no direct visual feedback on the unit itself
  • Battery is not removable, which restricts options when the battery degrades over time
  • Does not automatically adjust its height, which may limit performance on floor surfaces with varying levels
  • Wi-Fi limited to Wi-Fi 4 (802.11n), which is an older wireless standard
Who is this for?

This robot vacuum is well suited to households where low-maintenance automated cleaning is a priority, particularly those with mixed floor surfaces such as hard floors and carpeted areas, given its all-floor compatibility and carpet detection. The 60-day estimated empty time and self-emptying dock make it a practical fit for users who want to run cleaning cycles without frequent manual intervention. Its mopping system with mop raising and drying also makes it a good match for homes where both vacuuming and wet floor cleaning are needed in a single device. Users who rely on smart home ecosystems built around Google Assistant or Alexa will find it integrates naturally into their existing setup.

Who is this NOT for?

Users with larger homes or open-plan spaces may find the 0.33-litre dustbin limiting, as heavy debris loads could fill it faster than the self-emptying cycle can compensate. Those who prefer granular boundary control through virtual barriers rather than app-based no-go zones will find that feature absent here. The fixed, non-removable battery makes this a less practical choice for users who want long-term serviceability, as battery degradation cannot be addressed by a simple swap. Additionally, users seeking a robot that silently operates in noise-sensitive environments should note the 57 dB operating level, which may be disruptive in quieter households.

General info:

has HEPA filter ✓
audible noise 57 dB
has an allergy filter ✓
compatible with Google Assistant ✓
works with Alexa ✓
release date January 2026
weight 9450 g
width 358 mm
height 98 mm
thickness 326 mm
volume 11437.384 cm³
warranty period 1 years
estimated empty time 60 days
docking station size 123422.04 cm³

The Eufy Omni S2 measures 358 mm wide, 326 mm deep, and 98 mm tall, with a total volume of 11437.384 cm³ and a weight of 9450 g, while its docking station has a volume of 123422.04 cm³. It includes both a HEPA filter and an allergy filter, helping to capture fine particles during operation. Noise output is rated at 57 dB, and the estimated time between bin-emptying cycles is 60 days. The robot is compatible with Google Assistant and Amazon Alexa for voice control integration, and it comes with a 1-year warranty.

Features:

has mapping ✓
supports no-go zones ✓
supports a remote smartphone ✓
has an obstacle sensor ✓
has problem area cleaning ✓
is self-emptying ✓
has carpet detection ✓
doesn't get stuck ✓
supports virtual barriers ✕
has route mapping ✓
Has voice prompts ✕
auto docking ✓
has anti-fall sensor ✓
can be scheduled ✓
has a remote control ✓
has water level adjustment ✓
supports Wi-Fi ✓
Wi-Fi version Wi-Fi 4 (802.11n)
has mop cleaning ✓
has mop raising ✓
has mop drying ✓

The Eufy Omni S2 supports mapping and route mapping, allowing it to navigate systematically, and it can be configured with no-go zones to restrict access to specific areas. It includes an obstacle sensor and an anti-fall sensor to help avoid collisions and drops, and its anti-stuck technology reduces the chance of it getting trapped during a cleaning run. The robot is self-emptying and features auto docking, returning to its base independently when needed. Cleaning can be scheduled in advance or controlled remotely via smartphone, and a remote control is also included. For mopping tasks, it offers mop cleaning, mop raising, and mop drying, along with adjustable water levels to suit different floor surfaces. Carpet detection is on board as well. The unit connects over Wi-Fi 4 (802.11n), though it does not support virtual barriers or voice prompts.

Design:

dustbin capacity 0.33 l
Has a display ✕
has twin side brushes ✓
has included washable filters ✓
automatically adjusts its height ✕
Indicates when full ✕

The Eufy Omni S2 has a dustbin capacity of 0.33 litres and comes with washable filters included, which can be cleaned and reused rather than replaced. It uses twin side brushes to help sweep debris toward the suction path. The robot does not have a display, does not indicate when the bin is full, and does not automatically adjust its height to account for different floor surfaces.

Cleaning power:

suction power 30000 Pa
cleaning speed 0.27 m/s
cleans all floor types ✓
cleaning modes 4
mops ✓
has a dirt sensor ✓
has UV light ✕

The Eufy Omni S2 delivers 30000 Pa of suction power and moves at a cleaning speed of 0.27 m/s, covering all floor types in one of its four available cleaning modes. A built-in dirt sensor allows it to detect and respond to dirtier areas during a run. The robot also mops in addition to vacuuming, making it suitable for both dry and wet floor cleaning tasks. It does not include UV light functionality.

Power:

battery power 2600 mAh
runtime 120 min
charge time 3 hours
operating power consumption 36W
has a removable battery ✕
has auto-off ✓

The Eufy Omni S2 is powered by a 2600 mAh battery that provides up to 120 minutes of runtime per charge, with a full recharge taking approximately 3 hours. During operation, it draws 36W of power. The robot features auto-off to conserve energy when not in use, though its battery is not removable.

Final Verdict

The Eufy Omni S2 is a well-specified robot vacuum that brings together a strong set of automation features — including self-emptying, mapping, and a full mopping system with mop raising and drying — into a single unit suited for everyday home cleaning. Its 30000 Pa suction paired with all-floor compatibility gives it solid cleaning credentials across different surface types, and the long estimated empty interval reduces the hands-on effort typically associated with this category. That said, the compact dustbin, absence of virtual barrier support, and fixed battery are real practical constraints that users should weigh based on their specific needs. Overall, the Eufy Omni S2 is a capable and feature-rich option for households seeking a largely autonomous cleaning routine, provided its design trade-offs align with the intended environment.