
The Smart Device Compare comparison
Meross EM16P vs Shelly Pro EM-50
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Key differences between Meross EM16P 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.
- Ethernet (connectivity): Meross EM16P — No; Shelly Pro EM-50 — Yes.
- Time Of Use Rates (data monitoring): Meross EM16P — No; Shelly Pro EM-50 — Yes (Cost periods and tariff distribution in the Shelly Smart Control app).
- Relay Output (features): Meross EM16P — No; Shelly Pro EM-50 — Yes (Integrated switch with potential-free contacts, 2 A at 240 V).
- Din Rail Mount (installation): Meross EM16P — No; Shelly Pro EM-50 — Yes (One DIN module wide).
- Other (connectivity): Meross EM16P — No; Shelly Pro EM-50 — Modbus.
- Data History (data monitoring): Meross EM16P — 5 years (Charts by minute, hour, day, month and year); Shelly Pro EM-50 — 60 days (At least 60 days of 1-minute data stored on the device).
- Power Supply (installation): Meross EM16P — Mains (breaker panel); Shelly Pro EM-50 — Mains (100-260 V).
- Accuracy (metering): Meross EM16P — ±2%; Shelly Pro EM-50 — ±1% (Accuracy Class B for active energy, ±1% from 5 A to 50 A).
- 4 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.


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.
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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.
Showing 39 of 39 rows. “Not recorded” does not mean “No”.
Connectivity
- Meross EM16P
- Yes
- Shelly Pro EM-50
- Yes
- Meross EM16P
- No
- Shelly Pro EM-50
- No
- Meross EM16P
- Not recorded
- Shelly Pro EM-50
- Yes
Catalog note
Bluetooth 4.2, also works as a Bluetooth gateway
- Meross EM16P
- No
- Shelly Pro EM-50
- Yes
- Meross EM16P
- No
- Shelly Pro EM-50
- Modbus
- Meross EM16P
- No
- Shelly Pro EM-50
- No
- Meross EM16P
- No
- Shelly Pro EM-50
- No
- Meross EM16P
- No
- Shelly Pro EM-50
- No
Data Monitoring
- Meross EM16P
- Yes
Manufacturer source
Historical data can be exported.
Meross EM16P manufacturer product page →- Source section
- Product description
- Model
- Meross EM16P
- Region
- Manufacturer product page; no universal regional compatibility implied
- Firmware
- Not specified by this source
- Checked
Five years describes daily cloud history, not five years of minute-level local records.
Document check only; not a hands-on test or verification of every regional or firmware variant.
Catalog note
Exportable hourly reports
- Shelly Pro EM-50
- Yes
Catalog note
CSV export of the consumption chart
- Meross EM16P
- 5 years
Manufacturer source
Daily historical records can be retained for up to five years.
Meross EM16P manufacturer product page →- Source section
- Product description
- Model
- Meross EM16P
- Region
- Manufacturer product page; no universal regional compatibility implied
- Firmware
- Not specified by this source
- Checked
Five years describes daily cloud history, not five years of minute-level local records.
Document check only; not a hands-on test or verification of every regional or firmware variant.
Catalog note
Charts by minute, hour, day, month and year
- Shelly Pro EM-50
- 60 days
Catalog note
At least 60 days of 1-minute data stored on the device
- Meross EM16P
- Yes
- Shelly Pro EM-50
- Yes
- Meross EM16P
- Not recorded
- Shelly Pro EM-50
- Not recorded
- Meross EM16P
- No
- Shelly Pro EM-50
- Yes
Catalog note
Cost periods and tariff distribution in the Shelly Smart Control app
- Meross EM16P
- Yes
Catalog note
Custom alerts for usage spikes and threshold breaches
- Shelly Pro EM-50
- Yes
Features
- Meross EM16P
- Yes
- Shelly Pro EM-50
- Yes
- Meross EM16P
- Yes
Catalog note
Solar surplus automations through Home Assistant
- Shelly Pro EM-50
- Yes
Catalog note
Configurable load control to divert surplus PV production
- Meross EM16P
- No
- Shelly Pro EM-50
- Yes
Catalog note
Integrated switch with potential-free contacts, 2 A at 240 V
Installation
- Meross EM16P
- Yes
- Shelly Pro EM-50
- Yes
- Meross EM16P
- No
- Shelly Pro EM-50
- Yes
Catalog note
One DIN module wide
- Meross EM16P
- Mains (breaker panel)
- Shelly Pro EM-50
- Mains (100-260 V)
- Meross EM16P
- No
- Shelly Pro EM-50
- No
Integrations
- Meross EM16P
- No
Catalog note
Alexa has no energy meter device type and this meter has no relay to expose as a switch, so a skill has nothing to publish
- Shelly Pro EM-50
- Yes
- Meross EM16P
- No
- Shelly Pro EM-50
- No
- Meross EM16P
- No
- Shelly Pro EM-50
- Yes
- Meross EM16P
- Yes
Manufacturer source
Home Assistant integration is documented.
Meross EM16P manufacturer product page →- Source section
- Product description
- Model
- Meross EM16P
- Region
- Manufacturer product page; no universal regional compatibility implied
- Firmware
- Not specified by this source
- Checked
Five years describes daily cloud history, not five years of minute-level local records.
Document check only; not a hands-on test or verification of every regional or firmware variant.
Catalog note
Official integration, no firmware flashing
- Shelly Pro EM-50
- Yes
- Meross EM16P
- No
- Shelly Pro EM-50
- No
- Meross EM16P
- No
- Shelly Pro EM-50
- Yes
Catalog note
Via the official Shelly Cloud integration
Local Control
- Meross EM16P
- Yes
Catalog note
Open API, energy data stays on the local network
- Shelly Pro EM-50
- Yes
Catalog note
RPC over HTTPS and WebSocket, UDP, webhooks, scripting and Modbus TCP
- Meross EM16P
- Yes
- Shelly Pro EM-50
- Yes
- Meross EM16P
- Not recorded
- Shelly Pro EM-50
- Yes
Metering
- Meross EM16P
- ±2%
Manufacturer source
The stated measurement error is within two percent.
Meross EM16P manufacturer product page →- Source section
- Product description
- Model
- Meross EM16P
- Region
- Manufacturer product page; no universal regional compatibility implied
- Firmware
- Not specified by this source
- Checked
Five years describes daily cloud history, not five years of minute-level local records.
Document check only; not a hands-on test or verification of every regional or firmware variant.
- Shelly Pro EM-50
- ±1%
Catalog note
Accuracy Class B for active energy, ±1% from 5 A to 50 A
- Meross EM16P
- Yes
- Shelly Pro EM-50
- Yes
Catalog note
4 quadrant measurement with a returned energy counter
- Meross EM16P
- 60 A
- Shelly Pro EM-50
- Not applicable / unspecified
- Meross EM16P
- 18
Catalog note
2 x 200 A mains and 16 x 60 A branch sensors
- Shelly Pro EM-50
- 2
Catalog note
2 x 50 A current transformers
- Meross EM16P
- 200 A
- Shelly Pro EM-50
- 50 A
- Meross EM16P
- 18
Manufacturer source
Up to 18 circuits can be monitored.
Meross EM16P manufacturer product page →- Source section
- Product description
- Model
- Meross EM16P
- Region
- Manufacturer product page; no universal regional compatibility implied
- Firmware
- Not specified by this source
- Checked
Five years describes daily cloud history, not five years of minute-level local records.
Document check only; not a hands-on test or verification of every regional or firmware variant.
- Shelly Pro EM-50
- 2
- Meross EM16P
- Yes
Catalog note
Power, voltage, current and power factor
- Shelly Pro EM-50
- Yes
Catalog note
Active and apparent power, power factor, frequency and voltage
- Meross EM16P
- Yes
- Shelly Pro EM-50
- No
Catalog note
Single-phase device with two current channels
- Meross EM16P
- Yes
Catalog note
3-phase 4-wire Wye with earthed neutral, no Delta
- Shelly Pro EM-50
- No
| Specification | Meross EM16P | Shelly Pro EM-50 |
|---|---|---|
| Connectivity | ||
| Yes | Yes | |
| No | No | |
| Not recorded | YesCatalog noteBluetooth 4.2, also works as a Bluetooth gateway | |
| No | Yes | |
| No | Modbus | |
| No | No | |
| No | No | |
| No | No | |
| Data Monitoring | ||
YesManufacturer sourceHistorical data can be exported. Meross EM16P manufacturer product page →
Five years describes daily cloud history, not five years of minute-level local records. Document check only; not a hands-on test or verification of every regional or firmware variant. Catalog noteExportable hourly reports | YesCatalog noteCSV export of the consumption chart | |
5 yearsManufacturer sourceDaily historical records can be retained for up to five years. Meross EM16P manufacturer product page →
Five years describes daily cloud history, not five years of minute-level local records. Document check only; not a hands-on test or verification of every regional or firmware variant. Catalog noteCharts by minute, hour, day, month and year | 60 daysCatalog noteAt least 60 days of 1-minute data stored on the device | |
| Yes | Yes | |
| Not recorded | Not recorded | |
| No | YesCatalog noteCost periods and tariff distribution in the Shelly Smart Control app | |
YesCatalog noteCustom alerts for usage spikes and threshold breaches | Yes | |
| Features | ||
| Yes | Yes | |
YesCatalog noteSolar surplus automations through Home Assistant | YesCatalog noteConfigurable load control to divert surplus PV production | |
| No | YesCatalog noteIntegrated switch with potential-free contacts, 2 A at 240 V | |
| Installation | ||
| Yes | Yes | |
| No | YesCatalog noteOne DIN module wide | |
| Mains (breaker panel) | Mains (100-260 V) | |
| No | No | |
| Integrations | ||
NoCatalog noteAlexa has no energy meter device type and this meter has no relay to expose as a switch, so a skill has nothing to publish | Yes | |
| No | No | |
| No | Yes | |
YesManufacturer sourceHome Assistant integration is documented. Meross EM16P manufacturer product page →
Five years describes daily cloud history, not five years of minute-level local records. Document check only; not a hands-on test or verification of every regional or firmware variant. Catalog noteOfficial integration, no firmware flashing | Yes | |
| No | No | |
| No | YesCatalog noteVia the official Shelly Cloud integration | |
| Local Control | ||
YesCatalog noteOpen API, energy data stays on the local network | YesCatalog noteRPC over HTTPS and WebSocket, UDP, webhooks, scripting and Modbus TCP | |
| Yes | Yes | |
| Not recorded | Yes | |
| Metering | ||
±2%Manufacturer sourceThe stated measurement error is within two percent. Meross EM16P manufacturer product page →
Five years describes daily cloud history, not five years of minute-level local records. Document check only; not a hands-on test or verification of every regional or firmware variant. | ±1%Catalog noteAccuracy Class B for active energy, ±1% from 5 A to 50 A | |
| Yes | YesCatalog note4 quadrant measurement with a returned energy counter | |
| 60 A | Not applicable / unspecified | |
18Catalog note2 x 200 A mains and 16 x 60 A branch sensors | 2Catalog note2 x 50 A current transformers | |
| 200 A | 50 A | |
18Manufacturer sourceUp to 18 circuits can be monitored. Meross EM16P manufacturer product page →
Five years describes daily cloud history, not five years of minute-level local records. Document check only; not a hands-on test or verification of every regional or firmware variant. | 2 | |
YesCatalog notePower, voltage, current and power factor | YesCatalog noteActive and apparent power, power factor, frequency and voltage | |
| Yes | NoCatalog noteSingle-phase device with two current channels | |
YesCatalog note3-phase 4-wire Wye with earthed neutral, no Delta | 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