TP-Link HS300

Kasa Smart Wi-Fi Power Strip

Device type

Smart Switch

View discovery and setup instructions for this profile.

Powercalc can discover this model automatically (by device). 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 → HS300.

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: HS300

Library sensor documentation

Community usage

25 opted-in installations

0.47% of 5,304 reporting installationsOpt in to analytics

Device

Manufacturer: TP-Link
Aliases: HS300(US)
Form factor: Power Strip
Connectivity: Wi-Fi
Barcode: 845973084356
Product page: tp-link.com
Power monitoring: Yes

Measurement

Calculation strategy: Multi Switch
Measure device: P3 P4400 Kill A Watt Usage Monitor
Measure method: Manual
Mains voltage: 120 V

Library

Created: Sep 8, 2025, 9:20 AM UTC
Updated: Sep 13, 2026, 9:41 AM UTC
Contributors: Bram Gerritsen
Discovery: Automatic, by device
Only self usage: Yes

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TP-Link HS300

Kasa Smart Wi-Fi Power Strip

Set up manually instead

Through the interface (recommended)

Or configure with YAML

Device

Measurement

Library

Device

Measurement

Library

Kasa Smart Wi-Fi Power Strip

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

Measurement

Library

Device

Measurement

Library

Through the interface (recommended)