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SONOFF S41STPB

SONOFF / S41STPB

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Does the SONOFF S41STPB work with HomeKit, Alexa, and Google Home?

The S41STPB (S41s) needs a 2.4 GHz Wi-Fi network and a Matter controller on the home network.

It is a 120 V plug rated 15 A / 1800 W that works with HomeKit, Google Home and Alexa. It suits HomeKit, Google Home, Alexa and SmartThings users, with native support through Matter over Wi-Fi. Home Assistant users reach it through an integration (Matter over Wi-Fi).

At a glance: works withHow this is decided: cited platform facts only
HomeKit
Yes[1]
Matter / Wi-Fi, native
Google Home
Yes[1]
Matter / Wi-Fi, native
Alexa
Yes[1]
Matter / Wi-Fi, native
SmartThings
Yes[1]
Matter / Wi-Fi, native
Home Assistant
Yes[1]
Matter / Wi-Fi, via integration

Key facts

SONOFF S41STPB facts

How facts are sourced: every cell cites its source below
FactValue
StatusCurrent[1]
RadioMatter over Wi-Fi[1]
Plug typeType B[1]
Max load1800 W[1]
Energy monitoringunknown
Zigbee routerunknown

Integration paths

How the SONOFF S41STPB connects

1 pathHow facts are sourced: every cell cites its source below
PathRequiresiLocaliFeatures lostPlatformsi
Matter / Wi-Fi2.4 GHz Wi-Fi network, A Matter controller on the home network[1]Yes[1]unknown
About these columns
Requires
Hardware the path needs beyond the device and a controller.
Local
Yes when control on this path keeps working with the internet down.
Platforms
The platforms that work with the device on this path: Native (out of the box), Via integration (needs an add-on) or Not supported.

Home Assistant and Homey

Ways to add the SONOFF S41STPB

1 routeHow facts are sourced: every cell cites its source below
PlatformLeveliIntegrationDetailsEvidenceLimitations
Home AssistantVia Matter[2][3] (Matter certified; Home Assistant does not name the model)matterMatter / Wi-Fi
  • Quality: No score[2][3]
  • IoT class: Local Push[2][3]
  • Works with Home Assistant: Not certified[2][3]
Model namedNone stated
About these columns
Level
How the device gets into the platform on this route. The headline is the best route: local before cloud, direct before bridged, core before community. The methodology page lists every level.

Releases

  1. 2025
    1. Certified Certified, not announced [2]

      Matter CSA255AEMAT46336-24

Certifications

Certification records

1 recordHow facts are sourced: every cell cites its source below
ProgramCertificateCertified onTransportSpec / softwareSource
MatterCSA255AEMAT46336-24wi-fi, bluetoothv1.0[2]

Cite this page

SONOFF S41STPB. Smart Home Canon. https://smarthomecanon.com/devices/sonoff-s41stpb. Last checked 2026-10-20.

Sources

  1. [1]
    MFRsonoff.tech / SONOFF store: SONOFF iPlug Gen2 S41s Matter Over WiFi Smart Plug | S41STPB
    Accessed Back to text
  2. [2]
    CSAon.dcl.csa-iot.org / Matter DCL compliance: SONOFF PID 220
    Accessed Back to text
  3. [3]
    DOChome-assistant.io / Home Assistant: Matter integration
    Accessed Back to text