Kasa EP40 Outdoor Plug (US): what it works with
TP-Link · model Kasa EP40 · For the US and Canada
- Matter Unconfirmed
- Apple Home Unconfirmed
- Google Home Yes
- Amazon Alexa Yes
- SmartThings Unconfirmed
- Home Assistant Yes
Kasa EP40 outdoor plug: Alexa and Google Assistant through the Kasa app, plus Home Assistant's TP-Link integration, with no hub. It connects over 2.4 GHz Wi-Fi only and supports 15 A (1,875 W) shared across both outlets. Apple Home isn't listed for this model.
Checked against 3 sources on
Ecosystem compatibility
| Platform | Works? | Details |
|---|---|---|
| Matter | Unconfirmed | Neither the Kasa page nor the datasheet mentions Matter; absence is not a no. The separate EP40M is the Matter model. |
| Apple Home | Unconfirmed | The EP40's Kasa page and datasheet list Alexa and Google Assistant only. The EP40A variant lists Apple Home, but that is a different model. |
| Google Home | Yes | Works with Google Assistant through the Kasa app link.[1],[2] |
| Amazon Alexa | Yes | Works with Alexa through the Kasa skill.[1],[2] |
| SmartThings | Unconfirmed | Not on the EP40 Kasa page or datasheet; the separate EP40A page lists SmartThings. |
| Home Assistant | Yes | Listed under power strips in the official TP-Link Smart Home integration, which talks to Kasa devices locally.[3] |
“Via Matter” means you add it with that platform's Matter controller instead of a brand skill or app. “Unconfirmed” means we couldn't find an official source either way. How we verify.
Specs that matter for setup
- Local control
- Yes[3]
- Energy monitoring
- Unconfirmed
- Radio: 2.4 GHz only (802.11 b/g/n).
- Hub: No hub required; needs the free Kasa Smart app and an account.
- Local control: Home Assistant's integration connects locally without the TP-Link cloud. Kasa's own app and voice control use the cloud.
- Energy monitoring: Neither the Kasa page nor the datasheet mentions energy monitoring.
- Max load: TP-Link states 1.875 kW maximum power and 15 A total, shared across both outlets; the Kasa page adds a 1/2 HP motor rating.
Before you buy
- 2.4 GHz Wi-Fi only.
- The 15 A (1,875 W) limit is shared by both outlets.
- Apple Home and SmartThings are listed only for the separate EP40A model.
Quick answers
- Does the Kasa EP40 Outdoor Plug (US) work with Apple Home?
- Not confirmed. We couldn't find an official source either way. The EP40's Kasa page and datasheet list Alexa and Google Assistant only. The EP40A variant lists Apple Home, but that is a different model.
- Does the Kasa EP40 Outdoor Plug (US) work with Google Home?
- Yes. The Kasa EP40 Outdoor Plug (US) works with Google Home directly. Works with Google Assistant through the Kasa app link. More smart plugs for Google Home
- Does the Kasa EP40 Outdoor Plug (US) work with Amazon Alexa?
- Yes. The Kasa EP40 Outdoor Plug (US) works with Amazon Alexa directly. Works with Alexa through the Kasa skill. More smart plugs for Amazon Alexa
- Does the Kasa EP40 Outdoor Plug (US) work with SmartThings?
- Not confirmed. We couldn't find an official source either way. Not on the EP40 Kasa page or datasheet; the separate EP40A page lists SmartThings.
- Does the Kasa EP40 Outdoor Plug (US) work with Home Assistant?
- Yes. The Kasa EP40 Outdoor Plug (US) works with Home Assistant directly. Listed under power strips in the official TP-Link Smart Home integration, which talks to Kasa devices locally. More smart plugs for Home Assistant
Sources
- Kasa Smart Wi-Fi Outdoor Plug | EP40 — Kasa Smart (TP-Link) manufacturer · accessed Oct 12, 2026
- EP40(US)1.0 Datasheet — TP-Link manufacturer · accessed Oct 12, 2026
- TP-Link Smart Home - Home Assistant — Home Assistant ecosystem · accessed Oct 12, 2026
Official product page: www.kasasmart.com