Outcome
This companion comparison post compares Sonoff | Sonoff Pow to the top live alternatives found on April 10, 2026, including current Amazon and Alibaba checks.
Source Device
The Sonoff Pow R2 is a WiFi smart switch with energy monitoring capabilities, supporting up to 15A/16A and 3500W. It integrates with the eWeLink app, Amazon Echo, Google Home, and IFTTT. It offers overload protection and can store and export 100 days of energy usage data. The device can also be flashed with custom firmware like Tasmota for enhanced local control and Home Assistant integration.
Top Alternatives
- Shelly Plug S Gen3: The Shelly Plug S Gen3 is a Wi-Fi and Bluetooth enabled smart plug with real-time energy monitoring, similar to the Sonoff Pow R2. It stands out with Matter compatibility, offering broad integration and strong local control capabilities, making it highly suitable for Home Assistant users. It also features overload and overtemperature protection.
- Kasa Smart Wi-Fi Plug Slim with Energy Monitoring: The TP-Link Kasa KP115 is a popular Wi-Fi smart plug offering real-time and historical energy monitoring, similar to the Sonoff Pow R2. It's known for its compact design, ease of setup, and compatibility with major voice assistants like Alexa and Google Assistant. It also includes safety features like overload protection and a flame-retardant shell.
- Power Switch ZEN15: The Zooz ZEN15 is a heavy-duty Z-Wave smart plug with energy monitoring, capable of handling high-inrush current appliances (up to 15A, 1800W), making it a robust alternative to the Sonoff Pow R2, especially for larger loads. It offers customizable energy monitoring reports and strong local control through Z-Wave, integrating seamlessly with Home Assistant.
Comparison Matrix
| Category | Sonoff | Sonoff Pow | Shelly Plug S Gen3 | Kasa Smart Wi-Fi Plug Slim with Energy Monitoring | Power Switch ZEN15 |
|---|---|---|---|---|
| Features | Source device | ★★★★★ | ★★★★☆ | ★★★★★ |
| Interoperability | Source device | ★★★★★ | ★★★☆☆ | ★★★★☆ |
| Setup Ease | Source device | ★★★★☆ | ★★★★★ | ★★★☆☆ |
| Cloud Dependency | Source device | ★★★☆☆ | ★★★★☆ | ★☆☆☆☆ |
| Vendor Trust | Source device | ★★★★☆ | ★★★★☆ | ★★★★☆ |
| Overall | Source device | ★★★★☆ | ★★★★☆ | ★★★★☆ |
Pricing And Availability
| Device | Amazon Price | Alibaba Price |
|---|---|---|
| Shelly Plug S Gen3 | $24.90 | US $10.00 – 12.00 |
| Kasa Smart Wi-Fi Plug Slim with Energy Monitoring | $22.99 | Not available |
| Power Switch ZEN15 | $42.95 | Not available |
Operator Notes
- The Sonoff Pow R2 is a smart power monitoring switch, often used for energy tracking and remote control of appliances. Its key features include real-time current, voltage, and power monitoring, overload protection, and integration with eWeLink, Alexa, and Google Home. It also supports custom firmware like Tasmota for local control and Home Assistant integration.
- Prices and availability are subject to change based on retailer and region.
Source URLs
Shelly Plug S Gen3 | Official: https://www.shelly.com/en/products/shop/shelly-plug-s-gen3
Shelly Plug S Gen3 | Home Assistant: https://www.home-assistant.io/integrations/shelly/
Shelly Plug S Gen3 | Amazon: https://www.amazon.com/Shelly-Plug-S-Gen3-Monitoring/dp/B0CP27879H
Shelly Plug S Gen3 | Alibaba: https://www.aliexpress.com/item/1005006443606471.html
Kasa Smart Wi-Fi Plug Slim with Energy Monitoring | Official: https://www.kasasmart.com/us/products/smart-plugs/kp115-kasa-smart-wi-fi-plug-slim-with-energy-monitoring
Kasa Smart Wi-Fi Plug Slim with Energy Monitoring | Home Assistant: https://www.home-assistant.io/integrations/tplink/
Kasa Smart Wi-Fi Plug Slim with Energy Monitoring | Amazon: https://www.amazon.com/TP-Link-Monitoring-SmartThings-Assistant-KP115/dp/B08G4YJ66L
Kasa Smart Wi-Fi Plug Slim with Energy Monitoring | Alibaba: https://www.alibaba.com/trade/details/TP-Link-Kasa-Smart-WiFi-Plug_1600570327310.html
Power Switch ZEN15 | Official: https://www.thesmartesthouse.com/products/zooz-800-series-z-wave-long-range-power-switch-zen15-800lr-for-heavy-duty-appliances
Power Switch ZEN15 | Home Assistant: https://www.support.getzooz.com/kb/article/302-zen15-home-assistant/
Power Switch ZEN15 | Amazon: https://www.amazon.com/Zooz-Z-Wave-Power-Switch-ZEN15/dp/B07578W72Q
Power Switch ZEN15 | Alibaba: Not available