TP-Link HS103

Kasa Smart Wi-Fi Plug Lite

Device type

Smart Switch

Max power

1.07 W

Standby power

0.5 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 TP-Link → HS103.

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: tp-link
      model: HS103

Library sensor documentation

Community usage

38 opted-in installations

0.72% of 5,296 reporting installationsOpt in to analytics

Device

Manufacturer: TP-Link
Form factor: Plug
Connectivity: Wi-Fi
Barcode: 845973084141
Product page: tp-link.com
Power monitoring: No

Power

Power range: 0.5 – 1.07 W
Standby power on: 1.07 W

Measurement

Calculation strategy: Fixed
Measure device: TP-Link Kasa KP125M
Measure method: Manual
Measure description: Manually measured.
Mains voltage: 120 V

Library

Created: Jan 17, 2025, 10:00 AM UTC
Updated: Aug 31, 2026, 12:33 PM UTC
Contributors: Thiago Oliveira
Discovery: Automatic, by entity

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TP-Link HS103

Kasa Smart Wi-Fi Plug Lite

Set up manually instead

Through the interface (recommended)

Or configure with YAML

Device

Power

Measurement

Library

Device

Power

Measurement

Library

Kasa Smart Wi-Fi Plug Lite

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)