Price History for 120V 15A S31 WiFi Smart Plug with Energy Monitoring US Type Works with Alexa & Google Home,IFTTT
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120V 15A S31 WiFi Smart Plug with Energy Monitoring US Type Works with Alexa & Google Home,IFTTT
SONOFF S31 is a Wi-Fi smart plug that supports energy monitoring (S31 only) and works with Alexa, Google Home, and IFTTT. Remotely turn devices on/off via the eWeLink app, no matter where you are. Share control
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Price History Chart
Recorded price history
| Date | Price |
|---|---|
| Oct 18, 2026 | $29.60 |
| Aug 30, 2026 | $23.90 |
| Aug 29, 2026 | $29.60 |
| Aug 22, 2026 | $22.90 |
| Aug 14, 2026 | $26.60 |
| May 19, 2026 | $29.60 |
| May 4, 2026 | $29.60 |
| Apr 13, 2026 | $29.60 |
| Mar 20, 2026 | $29.60 |
9 recorded prices; last found in Home Depot’s data on Nov 4, 2026. How we track prices
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Analysis
120V 15A S31 WiFi Smart Plug with Energy Monitoring US Type Works with Alexa & Google Home,IFTTT price analysis
Price analysis for 120V 15A S31 WiFi Smart Plug with Energy Monitoring US Type Works with Alexa & Google Home,IFTTT at Home Depot: today's price of $29.60 is the highest price we've recorded for this listing.
- Today's price matches the MSRP of $29.60.
- Today's price is 15% above its average daily price over the last 90 days ($25.71).
- The lowest recorded price on PriceWatchPro was $22.90 on August 22, 2026. That's $6.70 below today's price.
- The highest recorded price on PriceWatchPro was $29.60 on March 20, 2026.
- Across 8 tracked price changes, the listing has dropped 3 times with an average drop of $4.13.
- PriceWatchPro has been tracking this listing since March 20, 2026 (230 days of price history).
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