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Plugs · Head to head

Shelly Plug M Gen3 vs TP-Link Kasa EP40

Full Smart Plugs comparison in 2026

Data from Amazon and official Shelly and TP-Link sites.
2026 verdict
Shelly Plug M Gen3 edges out TP-Link Kasa EP40 in 2026, led by price, warranty, and maximum load power.
Shelly Plug M Gen3
Winner
Shelly Plug M Gen3
$14.99
Buy on Official StoreCheck price
It wins the broader comparison through price, warranty, and maximum load power, while Overheat/Overload protection and energy monitoring help confirm the result. You should still consider TP-Link Kasa EP40 if rating and weather resistance matter more than raw overall balance. For most setups, Shelly Plug M Gen3 is the smarter buy.
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FeatureShelly Plug M Gen3TP-Link Kasa EP40Winner
Price$14.99$17.28Shelly Plug M Gen3
Rating4.54.6TP-Link Kasa EP40
Warranty3 years2 yearsShelly Plug M Gen3
Weather ResistanceNOIP64TP-Link Kasa EP40
Maximum Load Power3000W1875WShelly Plug M Gen3
Overheat/Overload ProtectionYESNOShelly Plug M Gen3
Energy MonitoringYESNOShelly Plug M Gen3
Connectivity2.4 GHz WiFi, Bluetooth2.4 GHz WiFiShelly Plug M Gen3
IntegrationsGoogle Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, MatterGoogle Home, Alexa, Samsung SmartThings, Home AssistantShelly Plug M Gen3
Plug FormatType FType BDifferent strengths
On/Off ButtonYESYESTie
Zibgee RouterNONOTie

Frequently Asked Questions

Which is better overall: Shelly Plug M Gen3 or TP-Link Kasa EP40?

Shelly Plug M Gen3 has the stronger overall profile in this comparison, especially for price, warranty, and maximum load power.

What is the biggest difference between Shelly Plug M Gen3 and TP-Link Kasa EP40?

Price is one of the clearest differences: Shelly Plug M Gen3 lists $14.99, while TP-Link Kasa EP40 lists $17.28.

Which one looks better on price?

Shelly Plug M Gen3 is listed at $14.99, while TP-Link Kasa EP40 is listed at $17.28. Shelly Plug M Gen3 (better spec).

Who should buy Shelly Plug M Gen3?

Choose Shelly Plug M Gen3 if your priority is price and warranty and that matters more than rating.

Who should buy TP-Link Kasa EP40?

Choose TP-Link Kasa EP40 if your priority is rating and weather resistance and that matters more than price.

Full comparison table

Compare all 36 Plugs side by side

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  • 36 Plugs
  • 31 specs compared
  • 28 filters
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