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SONOFF POW Ring POWCT

SONOFF / POWCT

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Does the SONOFF POW Ring POWCT work with HomeKit, Alexa, and Google Home?

The SONOFF POW Ring POWCT is a Wi-Fi power meter with a split-core clamp that measures circuits up to 100 A in both directions and has no relay.

It runs from the eWeLink app and reaches Matter platforms through an eWeLink CUBE OS bridge. It suits HomeKit, Google Home, Alexa, SmartThings and Home Assistant users through an integration (a Matter bridge).

At a glance: works withHow this is decided: cited platform facts only
HomeKit
Yes[1]
Matter via Bridge, via integration
Google Home
Yes[1]
Matter via Bridge, via integration
Alexa
Yes[1]
Matter via Bridge, via integration
SmartThings
Yes[1]
Matter via Bridge, via integration
Home Assistant
Yes[1–3]
Matter via Bridge, via integration; 1 other path

Key facts

SONOFF POW Ring POWCT facts

How facts are sourced: every cell cites its source below
FactValue
StatusCurrent[1]
List price$34.90[1] as of
TypeClamp power meter (no switch)[1]
RadioWi-Fi 2.4 GHz[1]
ChannelsNone (meter only)[1]
Rated loadCT clamp 0-100 A[1]
Energy monitoringYes, bidirectional[1]

Integration paths

How the SONOFF POW Ring POWCT connects

2 pathsHow facts are sourced: every cell cites its source below
PathRequiresiLocaliFeatures lostPlatformsi
Matter via BridgeeWeLink CUBE OS Matter bridge[1]Yes[1]unknown
Wi-Fi cloudeWeLink app[1]unknownunknown
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 POW Ring POWCT

1 routeHow facts are sourced: every cell cites its source below
PlatformLeveliIntegrationDetailsEvidenceLimitations
Home AssistantCommunity[2][3]AlexxIT/SonoffLANWi-Fi cloud
  • Quality: Custom[2][3]
  • Works with Home Assistant: Not certified[2][3]
Model namedLimited: Power, current and voltage updates over the cloud connection stopped in 2026.[2][3]
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.

Cite this page

SONOFF POW Ring POWCT. Smart Home Canon. https://smarthomecanon.com/devices/sonoff-pow-ring. Last checked 2026-10-20.

Sources

  1. [1]
    MFRsonoff.tech / SONOFF store: SONOFF POW Ring Smart Power Meter | POWCT
    Accessed Back to text
  2. [2]
    DBgithub.com / GitHub: AlexxIT/SonoffLAN (HACS default list)
    Accessed Back to text
  3. [3]
    DBgithub.com / SonoffLAN: Devices
    Accessed Back to text