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Amazon Smart Plug vs TP-Link Kasa Outdoor Smart Plug KP401

Full Smart Plugs comparison in 2026

Updated October 2026
Data from the official Amazon and TP-Link sites.
2026 verdict
In this 2026 TP-Link Kasa Outdoor Smart Plug KP401 vs Amazon Smart Plug comparison, TP-Link Kasa Outdoor Smart Plug KP401 comes out ahead thanks to price, warranty, and weather resistance.
Its strongest advantages show up in price, warranty, and weather resistance, with integrations helping widen the gap. Choose Amazon Smart Plug only if rating matters more to you than the broader advantage from TP-Link Kasa Outdoor Smart Plug KP401. Overall, TP-Link Kasa Outdoor Smart Plug KP401 makes more sense for most people.
Amazon Smart Plug
Prime exclusive deal
$24.99
Works with
Connectivity
  • Wi-Fi 2.4 GHz
vs
  • Wi-Fi 2.4 GHz
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FeatureAmazon Smart PlugTP-Link Kasa Outdoor Smart Plug KP401Winner
Price$24.99$12.99TP-Link Kasa Outdoor Smart Plug KP401
Rating4.74.5Amazon Smart Plug
Warranty1 year2 yearsTP-Link Kasa Outdoor Smart Plug KP401
Weather ResistanceNOIP64TP-Link Kasa Outdoor Smart Plug KP401
IntegrationsAlexaGoogle Home, Alexa, Samsung SmartThings, Home AssistantTP-Link Kasa Outdoor Smart Plug KP401
Plug FormatType BType BTie
Energy MonitoringNONOTie
Connectivity2.4 GHz WiFi2.4 GHz WiFiTie
Zigbee RouterNONOTie

Frequently Asked Questions

Which is better overall: Amazon Smart Plug or TP-Link Kasa Outdoor Smart Plug KP401?

TP-Link Kasa Outdoor Smart Plug KP401 has the stronger overall profile in this comparison, especially for price, warranty, and weather resistance.

What is the biggest difference between Amazon Smart Plug and TP-Link Kasa Outdoor Smart Plug KP401?

Price is one of the clearest differences: Amazon Smart Plug lists $24.99, while TP-Link Kasa Outdoor Smart Plug KP401 lists $12.99.

Which one looks better on price?

Amazon Smart Plug is listed at $24.99, while TP-Link Kasa Outdoor Smart Plug KP401 is listed at $12.99. TP-Link Kasa Outdoor Smart Plug KP401 (better spec).

Who should buy Amazon Smart Plug?

Choose Amazon Smart Plug if your priority is rating and that matters more than price.

Who should buy TP-Link Kasa Outdoor Smart Plug KP401?

Choose TP-Link Kasa Outdoor Smart Plug KP401 if your priority is price and warranty and that matters more than rating.

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