The Smart Device Compare comparison

Shelly EM Mini Gen4 vs Shelly Pro EM-50

Understand the differences. Decide what matters to your home.

Before you compare every specification

Key differences between Shelly EM Mini Gen4 and Shelly Pro EM-50

A summary of selected recorded differences between these energy monitors. Check the full specification table below for details and conditions.

Feature differences among your selected devices

Ethernet (connectivity): Shelly EM Mini Gen4 — No; Shelly Pro EM-50 — Yes.
Load Management (features): Shelly EM Mini Gen4 — No; Shelly Pro EM-50 — Yes (Configurable load control to divert surplus PV production).
Relay Output (features): Shelly EM Mini Gen4 — No (Pure meter, it cannot switch the load it measures); Shelly Pro EM-50 — Yes (Integrated switch with potential-free contacts, 2 A at 240 V).
Din Rail Mount (installation): Shelly EM Mini Gen4 — No; Shelly Pro EM-50 — Yes (One DIN module wide).

Specifications to check side by side

Other (connectivity): Shelly EM Mini Gen4 — No; Shelly Pro EM-50 — Modbus.
Zigbee (connectivity): Shelly EM Mini Gen4 — Zigbee Hub required (Zigbee 802.15.4, also acts as a repeater); Shelly Pro EM-50 — No.
Data History (data monitoring): Shelly EM Mini Gen4 — 10 days (At least 10 days of 1-minute records on the device); Shelly Pro EM-50 — 60 days (At least 60 days of 1-minute data stored on the device).
Power Supply (installation): Shelly EM Mini Gen4 — Mains (110-240 V); Shelly Pro EM-50 — Mains (100-260 V).

Information still to confirm

6 of 39 comparison fields lack a resolved value for at least one selected device. Missing information is not evidence that a feature is absent.
Check the full table and manufacturer documentation before ruling out a device.

These observations are derived from recorded catalog data and have not all been independently verified. Confirm details with the manufacturer before purchasing.

Compare capabilities, compatibility and setup requirements.

Option 1 · Shelly

Shelly EM Mini Gen4

Last updated October 2026

View full device profile

Option 2 · Shelly

Shelly Pro EM-50

Last updated October 2026

View full device profile

What the catalog tells us

Understand the tradeoffs.

These counts describe the available data, not a quality score. More features do not automatically make a better device.

11differences with recorded values for every device

6rows with missing or unspecified information

Consider your setup

Apple Home

Shelly EM Mini Gen4Yes
Shelly Pro EM-50No

Confirm which features appear in Apple Home and whether extra hardware or a subscription is needed for your intended use.

Inspect the specifications

Consider your setup

Matter

Shelly EM Mini Gen4Yes
Shelly Pro EM-50No

Confirm the exact device type and the features exposed in your chosen platform. Protocol support does not establish feature parity across apps.

Inspect the specifications

Your priorities, side by side

Focus on what changes.

Mark the specifications you care about. Open manufacturer sources for verification scope; fields without citations remain catalog data. Expand notes for other qualifications.

Differences onlyMy priorities (0)

Showing 39 of 39 rows. “Not recorded” does not mean “No”.

Reading layout

Connectivity

2.4 GHz Wi-Fi

Shelly EM Mini Gen4: Yes
Catalog note
Wi-Fi 6 (802.11 b/g/n/ax) on 2.4 GHz
Shelly Pro EM-50: Yes

5 GHz Wi-Fi

Shelly EM Mini Gen4: No
Shelly Pro EM-50: No

Bluetooth

Shelly EM Mini Gen4: Yes
Catalog note
Bluetooth 5.0
Shelly Pro EM-50: Yes
Catalog note
Bluetooth 4.2, also works as a Bluetooth gateway

Ethernet

Shelly EM Mini Gen4: No
Shelly Pro EM-50: Yes

Other

Shelly EM Mini Gen4: No
Shelly Pro EM-50: Modbus

Thread

Shelly EM Mini Gen4: No
Shelly Pro EM-50: No

Z Wave

Shelly EM Mini Gen4: No
Shelly Pro EM-50: No

Zigbee

Shelly EM Mini Gen4: Zigbee Hub required
Catalog note
Zigbee 802.15.4, also acts as a repeater
Shelly Pro EM-50: No

Data Monitoring

Data Export

Shelly EM Mini Gen4: Yes
Shelly Pro EM-50: Yes
Catalog note
CSV export of the consumption chart

Data History

Shelly EM Mini Gen4: 10 days
Catalog note
At least 10 days of 1-minute records on the device
Shelly Pro EM-50: 60 days
Catalog note
At least 60 days of 1-minute data stored on the device

Energy Cost Tracking

Shelly EM Mini Gen4: Yes
Shelly Pro EM-50: Yes

Real Time Updates

Shelly EM Mini Gen4: Not recorded
Shelly Pro EM-50: Not recorded

Time Of Use Rates

Shelly EM Mini Gen4: Yes
Catalog note
Cost periods and tariff distribution in the Shelly Smart Control app
Shelly Pro EM-50: Yes
Catalog note
Cost periods and tariff distribution in the Shelly Smart Control app

Usage Alerts

Shelly EM Mini Gen4: Yes
Shelly Pro EM-50: Yes

Features

Automations

Shelly EM Mini Gen4: Yes
Shelly Pro EM-50: Yes

Load Management

Shelly EM Mini Gen4: No
Shelly Pro EM-50: Yes
Catalog note
Configurable load control to divert surplus PV production

Relay Output

Shelly EM Mini Gen4: No
Catalog note
Pure meter, it cannot switch the load it measures
Shelly Pro EM-50: Yes
Catalog note
Integrated switch with potential-free contacts, 2 A at 240 V

Installation

Breaker Panel Install

Shelly EM Mini Gen4: Yes
Catalog note
Small enough for a wall box, a socket back box or the inside of an appliance
Shelly Pro EM-50: Yes

Din Rail Mount

Shelly EM Mini Gen4: No
Shelly Pro EM-50: Yes
Catalog note
One DIN module wide

Power Supply

Shelly EM Mini Gen4: Mains (110-240 V)
Shelly Pro EM-50: Mains (100-260 V)

Smart Meter Port

Shelly EM Mini Gen4: No
Shelly Pro EM-50: No

Integrations

Alexa

Shelly EM Mini Gen4: Yes
Shelly Pro EM-50: Yes

Apple Home

Shelly EM Mini Gen4: Yes
Catalog note
Via Matter
Shelly Pro EM-50: No

Google Home

Shelly EM Mini Gen4: Yes
Shelly Pro EM-50: Yes

Home Assistant

Shelly EM Mini Gen4: Yes
Shelly Pro EM-50: Yes

Matter

Shelly EM Mini Gen4: Yes
Shelly Pro EM-50: No

SmartThings

Shelly EM Mini Gen4: Yes
Shelly Pro EM-50: Yes
Catalog note
Via the official Shelly Cloud integration

Local Control

Local Api

Shelly EM Mini Gen4: Yes
Catalog note
RPC over HTTP and WebSocket, plus webhooks and scripting
Shelly Pro EM-50: Yes
Catalog note
RPC over HTTPS and WebSocket, UDP, webhooks, scripting and Modbus TCP

Local Web Interface

Shelly EM Mini Gen4: Yes
Shelly Pro EM-50: Yes

Mqtt

Shelly EM Mini Gen4: Yes
Shelly Pro EM-50: Yes

Metering

Accuracy

Shelly EM Mini Gen4: ±1%
Catalog note
±1% on both the voltmeter and the ammeter
Shelly Pro EM-50: ±1%
Catalog note
Accuracy Class B for active energy, ±1% from 5 A to 50 A

Bidirectional Metering

Shelly EM Mini Gen4: Not recorded
Shelly Pro EM-50: Yes
Catalog note
4 quadrant measurement with a returned energy counter

Branch Ct Rating

Shelly EM Mini Gen4: Not applicable / unspecified
Shelly Pro EM-50: Not applicable / unspecified

Included Ct Sensors

Shelly EM Mini Gen4: Not applicable / unspecified
Catalog note
Inline measurement, no current transformer needed
Shelly Pro EM-50: 2
Catalog note
2 x 50 A current transformers

Main Ct Rating

Shelly EM Mini Gen4: Not applicable / unspecified
Shelly Pro EM-50: 50 A

Monitored Circuits

Shelly EM Mini Gen4: 1
Shelly Pro EM-50: 2

Power Factor

Shelly EM Mini Gen4: Not recorded
Shelly Pro EM-50: Yes
Catalog note
Active and apparent power, power factor, frequency and voltage

Split Phase

Shelly EM Mini Gen4: No
Shelly Pro EM-50: No
Catalog note
Single-phase device with two current channels

Three Phase

Shelly EM Mini Gen4: No
Shelly Pro EM-50: No

Specifications for Shelly EM Mini Gen4 versus Shelly Pro EM-50
Specification	Shelly EM Mini Gen4	Shelly Pro EM-50
Connectivity
2.4 GHz Wi-Fi	Yes Catalog note Wi-Fi 6 (802.11 b/g/n/ax) on 2.4 GHz	Yes
5 GHz Wi-Fi	No	No
Bluetooth	Yes Catalog note Bluetooth 5.0	Yes Catalog note Bluetooth 4.2, also works as a Bluetooth gateway
Ethernet	No	Yes
Other	No	Modbus
Thread	No	No
Z Wave	No	No
Zigbee	Zigbee Hub required Catalog note Zigbee 802.15.4, also acts as a repeater	No
Data Monitoring
Data Export	Yes	Yes Catalog note CSV export of the consumption chart
Data History	10 days Catalog note At least 10 days of 1-minute records on the device	60 days Catalog note At least 60 days of 1-minute data stored on the device
Energy Cost Tracking	Yes	Yes
Real Time Updates	Not recorded	Not recorded
Time Of Use Rates	Yes Catalog note Cost periods and tariff distribution in the Shelly Smart Control app	Yes Catalog note Cost periods and tariff distribution in the Shelly Smart Control app
Usage Alerts	Yes	Yes
Features
Automations	Yes	Yes
Load Management	No	Yes Catalog note Configurable load control to divert surplus PV production
Relay Output	No Catalog note Pure meter, it cannot switch the load it measures	Yes Catalog note Integrated switch with potential-free contacts, 2 A at 240 V
Installation
Breaker Panel Install	Yes Catalog note Small enough for a wall box, a socket back box or the inside of an appliance	Yes
Din Rail Mount	No	Yes Catalog note One DIN module wide
Power Supply	Mains (110-240 V)	Mains (100-260 V)
Smart Meter Port	No	No
Integrations
Alexa	Yes	Yes
Apple Home	Yes Catalog note Via Matter	No
Google Home	Yes	Yes
Home Assistant	Yes	Yes
Matter	Yes	No
SmartThings	Yes	Yes Catalog note Via the official Shelly Cloud integration
Local Control
Local Api	Yes Catalog note RPC over HTTP and WebSocket, plus webhooks and scripting	Yes Catalog note RPC over HTTPS and WebSocket, UDP, webhooks, scripting and Modbus TCP
Local Web Interface	Yes	Yes
Mqtt	Yes	Yes
Metering
Accuracy	±1% Catalog note ±1% on both the voltmeter and the ammeter	±1% Catalog note Accuracy Class B for active energy, ±1% from 5 A to 50 A
Bidirectional Metering	Not recorded	Yes Catalog note 4 quadrant measurement with a returned energy counter
Branch Ct Rating	Not applicable / unspecified	Not applicable / unspecified
Included Ct Sensors	Not applicable / unspecified Catalog note Inline measurement, no current transformer needed	2 Catalog note 2 x 50 A current transformers
Main Ct Rating	Not applicable / unspecified	50 A
Monitored Circuits	1	2
Power Factor	Not recorded	Yes Catalog note Active and apparent power, power factor, frequency and voltage
Split Phase	No	No Catalog note Single-phase device with two current channels
Three Phase	No	No

Know what’s behind the comparison.

The table matches specifications by section and field. It preserves notes, separates missing data from explicit “No” values, and keeps qualifications attached to their values. No overall winner is assigned from feature counts.

Read our comparison methodology