Winner
Updated July 2026
Data from Amazon and official Sonoff site.
2026 verdict
Sonoff WiFi Smart Plug S40 has the better all-around case than Sonoff WiFi Smart Plug S40 Lite in 2026, starting with price, rating, and maximum load power. Its biggest wins come from price, rating, and maximum load power, and Overheat/Overload protection and energy monitoring add more confidence to the verdict. Sonoff WiFi Smart Plug S40 Lite is the better fit only for buyers who prioritize its specific feature mix above everything else here. That is why Sonoff WiFi Smart Plug S40 wins the verdict here.
| Feature | Sonoff WiFi Smart Plug S40 | Sonoff WiFi Smart Plug S40 Lite | Winner |
|---|---|---|---|
| Price | $10.90 | $11.99 | Sonoff WiFi Smart Plug S40 |
| Rating | 4.4 | 4.2 | Sonoff WiFi Smart Plug S40 |
| Maximum Load Power | 1800W | 1500W | Sonoff WiFi Smart Plug S40 |
| Overheat/Overload Protection | YES | NO | Sonoff WiFi Smart Plug S40 |
| Energy Monitoring | YES | NO | Sonoff WiFi Smart Plug S40 |
| Warranty | 1 year | 1 year | Tie |
| 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, Samsung SmartThings, Home Assistant, IFTTT | Google Home, Alexa, Samsung SmartThings, Home Assistant, IFTTT | Tie |
| On/Off Button | YES | YES | Tie |
| Zibgee Router | NO | NO | Tie |
Winner
18% OFF
$10.90
$13.32
- + Price: $10.90
- + Rating: 4.4
- + Maximum Load Power: 1800W
$11.99
- - Price: $11.99 vs $10.90
- - Rating: 4.2 vs 4.4
Frequently Asked Questions
Which is better overall: Sonoff WiFi Smart Plug S40 or Sonoff WiFi Smart Plug S40 Lite?
Sonoff WiFi Smart Plug S40 has the stronger overall profile in this comparison, especially for price, rating, and maximum load power.
What is the biggest difference between Sonoff WiFi Smart Plug S40 and Sonoff WiFi Smart Plug S40 Lite?
Price is one of the clearest differences: Sonoff WiFi Smart Plug S40 lists $10.90, while Sonoff WiFi Smart Plug S40 Lite lists $11.99.
Which one looks better on price?
Sonoff WiFi Smart Plug S40 is listed at $10.90, while Sonoff WiFi Smart Plug S40 Lite is listed at $11.99. Sonoff WiFi Smart Plug S40 (better spec).
Who should buy Sonoff WiFi Smart Plug S40?
Choose Sonoff WiFi Smart Plug S40 if your priority is price and rating and that matters more than the competing advantages.
Who should buy Sonoff WiFi Smart Plug S40 Lite?
Choose Sonoff WiFi Smart Plug S40 Lite if your priority is its specific strengths and that matters more than price.
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