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Energy Monitors · Head to head

NodOn Zigbee Smart Energy Monitor vs Shelly Pro EM-50

Full Smart Energy Monitors comparison in 2026

Updated September 2026
Data from Amazon and official NodOn and Shelly sites.
2026 verdict
In 2026, the recommendation leans toward Shelly Pro EM-50 over NodOn Zigbee Smart Energy Monitor, driven by warranty, connectivity, and integrations.
Shelly Pro EM-50
Winner
Shelly Pro EM-50
$119.99
Buy on Amazon USACheck price
The comparison tilts its way because of warranty, connectivity, and integrations, with data & monitoring and local control keeping it in front. Choose NodOn Zigbee Smart Energy Monitor only if rating matters more to you than the broader advantage from Shelly Pro EM-50. In practical terms, Shelly Pro EM-50 is the easier product to recommend.
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FeatureNodOn Zigbee Smart Energy MonitorShelly Pro EM-50Winner
Rating4.74.6NodOn Zigbee Smart Energy Monitor
Warranty2 years3 yearsShelly Pro EM-50
ConnectivityZigbee2.4 GHz WiFi, Ethernet, Bluetooth, OtherShelly Pro EM-50
IntegrationsSamsung SmartThings, Home AssistantGoogle Home, Alexa, Samsung SmartThings, Home AssistantShelly Pro EM-50
Data & MonitoringNoneEnergy Cost Tracking, Time-of-Use Rates, Data Export, Usage AlertsShelly Pro EM-50
Local ControlNoneLocal API, MQTT, Local Web InterfaceShelly Pro EM-50
Relay OutputNOYESShelly Pro EM-50
MeteringSolar Net Metering, Power Factor ReadingsSolar Net Metering, Power Factor ReadingsTie
Breaker Panel InstallYESYESTie
Smart Meter PortNONOTie
Load ManagementYESYESTie

Frequently Asked Questions

Which is better overall: NodOn Zigbee Smart Energy Monitor or Shelly Pro EM-50?

Shelly Pro EM-50 has the stronger overall profile in this comparison, especially for warranty, connectivity, and integrations.

What is the biggest difference between NodOn Zigbee Smart Energy Monitor and Shelly Pro EM-50?

Rating is one of the clearest differences: NodOn Zigbee Smart Energy Monitor lists 4.7, while Shelly Pro EM-50 lists 4.6.

Who should buy NodOn Zigbee Smart Energy Monitor?

Choose NodOn Zigbee Smart Energy Monitor if your priority is rating and that matters more than warranty.

Who should buy Shelly Pro EM-50?

Choose Shelly Pro EM-50 if your priority is warranty and connectivity and that matters more than rating.

Full comparison table

Compare all 25 Energy Monitors side by side

You are looking at two of them. The full table lines up all Energy Monitors in the catalog with the same specs, so you can filter by what you need and sort by price or rating.

  • 25 Energy Monitors
  • 46 specs compared
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