Energy Monitors · Head to head

NodOn 3CT Zigbee Energy Meter vs Shelly EM Mini Gen4

Full Smart Energy Monitors comparison in 2026

Updated November 2026
Data from the official NodOn and Shelly sites.
2026 verdict
Shelly EM Mini Gen4 wins the 2026 matchup against NodOn 3CT Zigbee Energy Meter, mainly on warranty, connectivity, and integrations.
It separates itself most clearly on warranty, connectivity, and integrations, while still looking better on data & monitoring and local control. Choose NodOn 3CT Zigbee Energy Meter only if metering and load management matter more to you than the broader advantage from Shelly EM Mini Gen4. That is why Shelly EM Mini Gen4 wins the verdict here.
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Winner
Shelly EM Mini Gen4
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$24.99

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FeatureNodOn 3CT Zigbee Energy MeterShelly EM Mini Gen4Winner
Warranty2 years3 yearsShelly EM Mini Gen4
MeteringThree-Phase Support, Solar Net Metering, Power Factor ReadingsNoneNodOn 3CT Zigbee Energy Meter
ConnectivityZigbee, Other2.4 GHz WiFi, Bluetooth, ZigbeeShelly EM Mini Gen4
IntegrationsHome AssistantGoogle Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, MatterShelly EM Mini Gen4
Data & MonitoringNoneEnergy Cost Tracking, Time-of-Use Rates, Data Export, Usage AlertsShelly EM Mini Gen4
Local ControlLocal APILocal API, MQTT, Local Web InterfaceShelly EM Mini Gen4
Load ManagementYESNONodOn 3CT Zigbee Energy Meter
Breaker Panel InstallYESYESTie
Smart Meter PortNONOTie
Relay OutputNONOTie
Local ControlYESYESTie
Winner
Prime exclusive deal
$24.99
  • + Warranty: 3 years
  • + Connectivity: 2.4 GHz WiFi, Bluetooth, Zigbee
  • + Integrations: Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter
  • - Metering: None vs Three-Phase Support, Solar Net Metering, Power Factor Readings
  • - Load Management: NO vs YES

Frequently Asked Questions

Which is better overall: NodOn 3CT Zigbee Energy Meter or Shelly EM Mini Gen4?

Shelly EM Mini Gen4 has the stronger overall profile in this comparison, especially for warranty, connectivity, and integrations.

What is the biggest difference between NodOn 3CT Zigbee Energy Meter and Shelly EM Mini Gen4?

Warranty is one of the clearest differences: NodOn 3CT Zigbee Energy Meter lists 2 years, while Shelly EM Mini Gen4 lists 3 years.

Who should buy NodOn 3CT Zigbee Energy Meter?

Choose NodOn 3CT Zigbee Energy Meter if your priority is metering and load management and that matters more than warranty.

Who should buy Shelly EM Mini Gen4?

Choose Shelly EM Mini Gen4 if your priority is warranty and connectivity and that matters more than metering.

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