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Energy Monitors · Head to head

Meross EM16P vs Shelly Pro 3EM 3CT63

Full Smart Energy Monitors comparison in 2026

Updated October 2026
Data from Amazon and official Meross and Shelly sites.
2026 verdict
Shelly Pro 3EM 3CT63 wins the 2026 matchup against Meross EM16P, mainly on price, rating, and warranty.
Shelly Pro 3EM 3CT63
Winner
Shelly Pro 3EM 3CT63
$120.79$150.9920% OFFPrime exclusive deal

Last recorded price

Buy on Amazon USA
The main reason it wins is price, rating, and warranty, and connectivity and integrations strengthen that case. There is still a case for Meross EM16P, but mainly if its specific feature mix is what you value most. That keeps the verdict firmly in favor of Shelly Pro 3EM 3CT63.
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FeatureMeross EM16PShelly Pro 3EM 3CT63Winner
Price$159.99$120.79Shelly Pro 3EM 3CT63
Rating4.34.4Shelly Pro 3EM 3CT63
Warranty2 years5 yearsShelly Pro 3EM 3CT63
Connectivity2.4 GHz WiFi2.4 GHz WiFi, Ethernet, Bluetooth, OtherShelly Pro 3EM 3CT63
IntegrationsHome AssistantGoogle Home, Alexa, Samsung SmartThings, Home AssistantShelly Pro 3EM 3CT63
Data & MonitoringEnergy Cost Tracking, Data Export, Usage AlertsEnergy Cost Tracking, Time-of-Use Rates, Data Export, Usage AlertsShelly Pro 3EM 3CT63
MeteringSplit-Phase Support, Three-Phase Support, Solar Net Metering, Power Factor ReadingsThree-Phase Support, Solar Net Metering, Power Factor ReadingsTie
Breaker Panel InstallYESYESTie
Smart Meter PortNONOTie
Local ControlLocal API, Local Web InterfaceLocal API, MQTT, Local Web InterfaceTie
Relay OutputNONOTie
Load ManagementYESYESTie

Price history compared

Every price change of both, in the same store, so the gap between the two lines is what one costs more than the other.

  • Meross EM16P
  • Shelly Pro 3EM 3CT63

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Frequently Asked Questions

Which is better overall: Meross EM16P or Shelly Pro 3EM 3CT63?

Shelly Pro 3EM 3CT63 has the stronger overall profile in this comparison, especially for price, rating, and warranty.

What is the biggest difference between Meross EM16P and Shelly Pro 3EM 3CT63?

Price is one of the clearest differences: Meross EM16P lists $159.99, while Shelly Pro 3EM 3CT63 lists $120.79.

Which one looks better on price?

Meross EM16P is listed at $159.99, while Shelly Pro 3EM 3CT63 is listed at $120.79. Shelly Pro 3EM 3CT63 (better spec).

Who should buy Meross EM16P?

Choose Meross EM16P if your priority is its specific strengths and that matters more than price.

Who should buy Shelly Pro 3EM 3CT63?

Choose Shelly Pro 3EM 3CT63 if your priority is price and rating and that matters more than the competing advantages.

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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