Shelly SHCB-1

Duo RGBW

Device type

Light

Max power

4.9 W

Standby power

0.65 W

View discovery and setup instructions for this profile.

Powercalc can discover this model automatically (by entity). Look for a discovery prompt in Home Assistant and accept it to create the sensors. About discovery

Through the interface (recommended)

Start the Powercalc config flow, choose Virtual power (library), and pick Shelly → SHCB-1.

Open in Home Assistant

Add this to your configuration.yaml, replacing light.my_light with your own entity.

powercalc:
  sensors:
    - entity_id: light.my_light
      manufacturer: shelly
      model: SHCB-1

Library sensor documentation

Community usage

22 opted-in installations

0.42% of 5,260 reporting installationsOpt in to analytics

Device

Manufacturer: Shelly
Description: Smart Wi-Fi RGBW LED Bulb
Color modes: Color temperatureHue and saturation
Aliases: Shelly Bulb RGBW
Socket: E27
Form factor: Bulb
Connectivity: Wi-Fi
Barcode: 3800235262306
Product page: kb.shelly.cloud

Power

Power range: 0.6 – 4.9 W
Rated power: 9 W claimed
Light output: 800 lm · 163 lm/W

Measurement

Calculation strategy: LUT
Measure device: Shelly PM Mini Gen3
Measure method: Script
Measure description: Measured with utils/measure script
LUT curve quality: 74.8 · Fair
Curve smoothness on a 0–100 scale. This is not an accuracy percentage.
How this score works
Mains voltage: 230 V
Measurements updated: Aug 23, 2026, 7:39 AM UTC
Measure settings: SAMPLE_COUNT: 2SLEEP_TIME: 1VERSION: v1.17.2:docker

Library

Created: Jan 20, 2025, 10:38 PM UTC
Updated: Aug 31, 2026, 12:33 PM UTC
Contributors: Michal Bartak
Discovery: Automatic, by entity

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Shelly SHCB-1

Duo RGBW

Set up manually instead

Through the interface (recommended)

Or configure with YAML

Device

Power

Measurement

Library

Device

Power

Measurement

Library

Duo RGBW

Set up manually instead

Through the interface .css-bxmwoh{margin:0;font-family:"Roboto","Helvetica","Arial",sans-serif;font-weight:400;font-size:0.875rem;line-height:1.43;letter-spacing:0.01071em;}(recommended)

Or configure with YAML

Or configure with YAML

Device

Power

Measurement

Library

Device

Power

Measurement

Library

Through the interface (recommended)