Updated November 2026
Data from the official Fibaro and TP-Link sites.
2026 verdict
Between TP-Link Kasa EP40 and Fibaro Wall Plug with USB (US), TP-Link Kasa EP40 is the better overall pick in 2026, leading on rating, warranty, and weather resistance.
The main reason it wins is rating, warranty, and weather resistance, and maximum load power and integrations strengthen that case. Fibaro Wall Plug with USB (US) remains a niche alternative if energy monitoring matters more than the rest of the comparison. That is enough to make TP-Link Kasa EP40 the better pick for most buyers.
Works with
Connectivity
vs
Winner
24% OFF
$18.99
$24.99
Connectivity
- Wi-Fi 2.4 GHz
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| Feature | Fibaro Wall Plug with USB (US) | TP-Link Kasa EP40 | Winner |
|---|---|---|---|
| Rating | 4.0 | 4.6 | TP-Link Kasa EP40 |
| Warranty | 1 year | 2 years | TP-Link Kasa EP40 |
| Weather Resistance | NO | IP64 | TP-Link Kasa EP40 |
| Maximum Load Power | 1800W | 1875W | TP-Link Kasa EP40 |
| Energy Monitoring | YES | NO | Fibaro Wall Plug with USB (US) |
| Integrations | Alexa, Samsung SmartThings, Home Assistant | Google Home, Alexa, Samsung SmartThings, Home Assistant | TP-Link Kasa EP40 |
| Plug Format | Type B | Type B | Tie |
| Connectivity | Z-Wave | 2.4 GHz WiFi | Tie |
| On/Off Button | YES | YES | Tie |
| Zigbee Router | NO | NO | Tie |
| Local Control | YES | YES | Tie |
- + Energy Monitoring: YES
- - Rating: 4.0 vs 4.6
- - Warranty: 1 year vs 2 years
Winner
24% OFF
$18.99
$24.99
- + Rating: 4.6
- + Warranty: 2 years
- + Weather Resistance: IP64
- - Energy Monitoring: NO vs YES
Frequently Asked Questions
Which is better overall: Fibaro Wall Plug with USB (US) or TP-Link Kasa EP40?
TP-Link Kasa EP40 has the stronger overall profile in this comparison, especially for rating, warranty, and weather resistance.
What is the biggest difference between Fibaro Wall Plug with USB (US) and TP-Link Kasa EP40?
Rating is one of the clearest differences: Fibaro Wall Plug with USB (US) lists 4.0, while TP-Link Kasa EP40 lists 4.6.
Who should buy Fibaro Wall Plug with USB (US)?
Choose Fibaro Wall Plug with USB (US) if your priority is energy monitoring and that matters more than rating.
Who should buy TP-Link Kasa EP40?
Choose TP-Link Kasa EP40 if your priority is rating and warranty and that matters more than energy monitoring.
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