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3i S10 Ultra specifications and in-depth review

3i S10 Ultra

Manufacturer: 3i

The 3i S10 Ultra is a feature-rich robot vacuum cleaner designed to handle both vacuuming and mopping tasks with a high degree of automation. Its self-emptying docking station allows the dustbin to go an estimated 70 days between manual empties, reducing the need for frequent intervention. The unit supports scheduling, auto docking, and smartphone remote control, and works with both Google Assistant and Alexa for voice-based operation.

On the technical side, the 3i S10 Ultra delivers 13,000 Pa of suction power across four cleaning modes and is equipped with HEPA and allergy filtration alongside an electrostatic filtration system. Its 5,200 mAh battery provides up to 180 minutes of runtime per charge, with a full recharge taking approximately four hours. The robot includes mapping, no-go zones, virtual barriers, obstacle sensing, anti-fall protection, mop raising, and mop drying — all packed into a unit weighing 3,180 g with Wi-Fi 5 connectivity.

Pros
  • A 5,200 mAh battery delivers up to 180 minutes of runtime, allowing the robot to cover larger areas on a single charge without frequent returns to the dock.
  • The self-emptying station extends the estimated time between manual dustbin interventions to around 70 days, reducing routine maintenance significantly.
  • Mop raising and mop drying capabilities are included, enabling a more complete wet cleaning cycle without requiring separate user steps.
  • Both HEPA and allergy filtration are present alongside an electrostatic filtration system, offering multiple layers of particle capture during operation.
  • Mapping, route mapping, no-go zones, and virtual barrier support give users a meaningful degree of control over where and how the robot cleans.
  • Twin side brushes and automatic height adjustment improve cleaning adaptability across different floor surfaces and edge areas.
Cons
  • At 74 dB, the operating noise level is relatively high and may be disruptive in quieter environments during cleaning sessions.
  • The dustbin capacity is limited to 0.3 l on the robot itself, which is small even given the self-emptying functionality.
  • Charge time of four hours is lengthy relative to the runtime, which could be inconvenient if multiple cleaning sessions are needed in a single day.
  • There is no dirt sensor, meaning the robot cannot automatically intensify cleaning in areas with heavier soiling.
  • The battery is not removable, so users cannot swap in a spare to extend operational time without returning to the dock.
  • The product does not include an overheating indicator, leaving users without a warning mechanism if thermal issues arise during operation.
Who is this for?

This robot vacuum is well suited to users who want a largely hands-off cleaning routine, particularly in medium to large homes with a mix of hard floors and carpeted areas. The self-emptying station with an estimated 70-day interval between manual empties makes it a practical fit for people who prefer minimal day-to-day involvement. Those who also want mopping handled automatically will benefit from the integrated mop raising, mop drying, and water level adjustment. The 180-minute runtime and mapping with no-go zone support make it a reasonable match for households with multiple rooms or more complex layouts, while compatibility with Google Assistant and Alexa suits users already embedded in a voice-controlled smart home setup.

Who is this NOT for?

Users sensitive to noise may find the 74 dB operating level disruptive, particularly in smaller living spaces or homes where quiet is a priority during the day. The lack of a dirt sensor means it is not well adapted to environments with variable or unpredictable soiling levels, such as homes with pets that shed heavily in concentrated areas, since cleaning intensity cannot adjust automatically. The non-removable battery and four-hour charge time make this a poor fit for users who need rapid back-to-back cleaning sessions across very large areas, as there is no way to extend runtime by swapping the battery. Additionally, those expecting a full-bag indicator or an onboard display for at-a-glance status will find neither feature available here.

General info:

has HEPA filter ✓
audible noise 74 dB
has an allergy filter ✓
compatible with Google Assistant ✓
works with Alexa ✓
weight 3180 g
width 367 mm
height 112 mm
thickness 360 mm
volume 14797.44 cm³
warranty period 1 years
estimated empty time 70 days
docking station size 131295.96 cm³

The 3i S10 Ultra weighs 3,180 g and measures 367 mm wide, 360 mm deep, and 112 mm tall, giving it a relatively low-profile footprint suited to navigating under furniture. Its docking station occupies a volume of approximately 131,295.96 cm³, while the robot itself displaces 14,797.44 cm³. Both a HEPA filter and an allergy filter are included, making filtration a notable aspect of its design. Audible noise during operation is rated at 74 dB. The unit is compatible with Google Assistant and Alexa, enabling voice control integration. An estimated empty time of 70 days between manual dustbin interventions is noted, and the product comes with a one-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 5 (802.11ac), Wi-Fi 4 (802.11n)
has mop cleaning ✓
has mop raising ✓
has mop drying ✓

The 3i S10 Ultra comes with an extensive set of navigation and cleaning features, including mapping, route mapping, obstacle sensing, anti-fall protection, and anti-stuck capability, which together support reliable autonomous operation across a home. No-go zones and virtual barriers can be configured to restrict access to specific areas, and cleaning sessions can be scheduled or managed remotely via smartphone. The robot connects over Wi-Fi 5 (802.11ac) and Wi-Fi 4 (802.11n) and communicates through voice prompts, though it does not include a dedicated physical remote control. Carpet detection and problem area cleaning add further adaptability to its vacuuming routine. On the mopping side, it supports water level adjustment, mop raising, and mop drying, rounding out a fully integrated wet-and-dry cleaning feature set, with automatic dust emptying and auto docking handling the return-to-base process without user involvement.

Design:

dustbin capacity 0.3 l
Has a display ✕
has twin side brushes ✓
has included washable filters ✓
automatically adjusts its height ✓
Indicates when full ✕
uses bags ✕

The 3i S10 Ultra has a dustbin capacity of 0.3 l and operates without bags, so there is no ongoing cost or need to stock replacements. It does not include a fullness indicator, nor does it feature an onboard display. The robot uses twin side brushes to improve edge and corner coverage, and it automatically adjusts its height to adapt to different floor surfaces. Maintenance is kept relatively straightforward thanks to the inclusion of washable filters, which can be cleaned and reused rather than replaced.

Cleaning power:

suction power 13000 Pa
cleans all floor types ✓
cleaning modes 4
mops ✓
has a dirt sensor ✕
Has an electrostatic filtration system ✓
has UV light ✕

The 3i S10 Ultra delivers 13,000 Pa of suction power and is capable of cleaning all floor types, with mopping functionality included alongside vacuuming. It offers four cleaning modes, giving users some control over how cleaning sessions are carried out. Filtration is handled in part by an electrostatic filtration system, though the robot does not include a dirt sensor or UV light. There is no automatic dirt detection to trigger intensity adjustments, so cleaning behavior is governed by the selected mode rather than real-time floor analysis.

Power:

battery power 5200 mAh
runtime 180 min
charge time 4 hours
operating power consumption 75W
Has an overheating indicator ✕
has a removable battery ✕
has auto-off ✓

The 3i S10 Ultra is powered by a 5,200 mAh battery that supports up to 180 minutes of runtime per charge, with a full recharge taking approximately four hours. Operating power consumption is rated at 75W. The battery is not removable, and the unit does not include an overheating indicator. An auto-off function is present, allowing the robot to power down automatically when appropriate rather than remaining on indefinitely.

Final Verdict

The 3i S10 Ultra positions itself as a capable, automation-focused robot vacuum cleaner that covers both vacuuming and mopping within a single unit. Its self-emptying system with an estimated 70-day interval, combined with mapping, no-go zones, and a 180-minute runtime, makes it a solid fit for users who want reliable, largely unsupervised cleaning across multi-room homes. Filtration is a genuine strength, with HEPA, allergy, and electrostatic layers working together, and the mopping suite — including mop raising and drying — adds meaningful depth to its cleaning capability. That said, the 74 dB noise output, four-hour charge time, and absence of a dirt sensor do place some practical limits on who will get the most out of it. On balance, the 3i S10 Ultra is a well-specified option for households that prioritize automation and low-maintenance operation over fine-grained manual control.

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