Marstek for Home Assistant (Marketplace integration)

On Home Assistant 2026.10 or older? Open it in HACS

Installs: 215 sharing analytics
GitHub stars: 40
Connection: Works locally
Upkeep: Updated in the last 6 months
Version: v0.3.0, November 6, 2026
Category: Energy, Solar and batteries
Kind: Marketplace integration
Brand: Marstek
Needs: Needs the Marketplace (HACS on 2026.10 and older)
Domain: marstek
Source: github.com/MarstekEnergy/ha_marstek
Issues: Report an issue

Shows in Vulpo Quick Toggle card, Select card, Chart card, Apple Watch, Control Center.

Download Vulpo

Independent directory, made by the developer of Vulpo. Not affiliated with Home Assistant or the Open Home Foundation.

About

Home Assistant integration for Marstek energy storage devices (local UDP Open API)

Description from MarstekEnergy/ha_marstek

Shows in Vulpo

Quick Toggle card, Select card, Chart card, Apple Watch, Control Center.

Download Vulpo

Supports

Works locallyTalks to your devices on your own network. No vendor cloud in between.
From the MarketplaceInstalled through the Marketplace, formerly HACS.
Actively maintainedIts author released or pushed a change in the last six months.

Provides

Switches
Sensors

Setting it up

Install it from the Marketplace and restart Home Assistant, then add it under Settings, Devices and services.

Add Marstek device

HostThe IP address of your Marstek device on your local network.
Device UDP portThe UDP port the device listens on. Default 30000; use 49152-65535 if you configured a custom port.

Marstek Energy Storage

Select DeviceThe Marstek device discovered on your local network.

Also asked when at the marstek energy storage step.

Texts from the code of MarstekEnergy/ha_marstek.

Entities

Binary sensorsCharge permission, Connected, Discharge permission
NumbersDischarge depth (DOD)
SelectsOperating mode, Maximum Grid power
SensorsCT Phase A power, CT Phase B power, Battery power, Battery rated capacity, Battery remaining capacity, SOC, Battery status, Battery temperature, Bluetooth state, CT Phase C power, Device mode, Off-grid power, and 10 more
SwitchesBluetooth lock, Front-panel LED

Actions

Set operating modeSwitch a Marstek device to a new operating mode.
Set discharge depthSet the discharge depth (DOD), 30-88 %.
Set power versionSet the charge and discharge power version, in watts.

Troubleshooting

DiagnosticsDownloads a diagnostics file to attach to a bug report.

From the README

A Home Assistant integration for Marstek Energy devices (Venus series), communicating locally over the Marstek Device Local API
SOC, Battery power, Battery charge/discharge status and remaining/rated capacity, Battery temperature
Operating mode (Auto/ AI / Manual / Passive / UPS)
Grid power, off-grid power and CT phase powers (A/B/C)
Charge and discharge permission flags; device connectivity status
WiFi signal strength, SSID and IP address (diagnostic, disabled by default)
Per-input PV power, voltage, current and state (Venus A/D)
Lifetime energy counters (PV, grid charge/discharge, load)

From the README of MarstekEnergy/ha_marstek, MIT License. Shortened.