Sonoff iPlug Gen2 Type B Matter Over WiFi Smart Plug vs Sonoff WiFi Smart Plug S40 Lite comparison

Updated December 2025

Data from Amazon and official Sonoff site.

2026 verdict

In 2026, the recommendation leans toward Sonoff iPlug Gen2 Type B Matter Over WiFi Smart Plug over Sonoff WiFi Smart Plug S40 Lite, driven by warranty, maximum load power, and Overheat/Overload protection. Its clearest strengths are warranty, maximum load power, and Overheat/Overload protection, and it still looks stronger on energy monitoring. There is still a case for Sonoff WiFi Smart Plug S40 Lite, but mainly if price is what you value most. As a general recommendation, Sonoff iPlug Gen2 Type B Matter Over WiFi Smart Plug comes out on top.

Winner

Sonoff

Sonoff iPlug Gen2 Type B Matter Over WiFi Smart Plug

$13.90

Buy on Amazon USA

Sonoff

Sonoff WiFi Smart Plug S40 Lite

$11.99

Buy on Amazon USA

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Feature	Sonoff iPlug Gen2 Type B Matter Over WiFi Smart Plug	Sonoff WiFi Smart Plug S40 Lite	Winner
Price	$13.90	$11.99	Sonoff WiFi Smart Plug S40 Lite
Warranty	2 years	1 year	Sonoff iPlug Gen2 Type B Matter Over WiFi Smart Plug
Maximum Load Power	1875W	1500W	Sonoff iPlug Gen2 Type B Matter Over WiFi Smart Plug
Overheat/Overload Protection	YES	NO	Sonoff iPlug Gen2 Type B Matter Over WiFi Smart Plug
Energy Monitoring	YES	NO	Sonoff iPlug Gen2 Type B Matter Over WiFi Smart Plug
Weather Resistance	NO	NO	Tie
Plug Format	Type B	Type B	Tie
Connectivity	2.4 GHz WiFi, Bluetooth	2.4 GHz WiFi, Bluetooth	Tie
Integrations	Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter	Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter	Tie
On/Off Button	YES	YES	Tie
Zibgee Router	NO	NO	Tie

Winner

Sonoff

Sonoff iPlug Gen2 Type B Matter Over WiFi Smart Plug

$13.90

Buy on Amazon USA

+ Warranty: 2 years
+ Maximum Load Power: 1875W
+ Overheat/Overload Protection: YES
- Price: $13.90 vs $11.99

Sonoff

Sonoff WiFi Smart Plug S40 Lite

$11.99

Buy on Amazon USA

+ Price: $11.99
- Warranty: 1 year vs 2 years
- Maximum Load Power: 1500W vs 1875W

Frequently Asked Questions

Which is better overall: Sonoff iPlug Gen2 Type B Matter Over WiFi Smart Plug or Sonoff WiFi Smart Plug S40 Lite?

Sonoff iPlug Gen2 Type B Matter Over WiFi Smart Plug has the stronger overall profile in this comparison, especially for warranty, maximum load power, and Overheat/Overload protection.

What is the biggest difference between Sonoff iPlug Gen2 Type B Matter Over WiFi Smart Plug and Sonoff WiFi Smart Plug S40 Lite?

Price is one of the clearest differences: Sonoff iPlug Gen2 Type B Matter Over WiFi Smart Plug lists $13.90, while Sonoff WiFi Smart Plug S40 Lite lists $11.99.

Which one looks better on price?

Sonoff iPlug Gen2 Type B Matter Over WiFi Smart Plug is listed at $13.90, while Sonoff WiFi Smart Plug S40 Lite is listed at $11.99. Sonoff WiFi Smart Plug S40 Lite (better spec).

Who should buy Sonoff iPlug Gen2 Type B Matter Over WiFi Smart Plug?

Choose Sonoff iPlug Gen2 Type B Matter Over WiFi Smart Plug if your priority is warranty and maximum load power and that matters more than price.

Who should buy Sonoff WiFi Smart Plug S40 Lite?

Choose Sonoff WiFi Smart Plug S40 Lite if your priority is price and that matters more than warranty.

Full comparison table

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