Marstek
Marstek Venus A/D/E v3 battery (Ethernet)
Energy · And More
Partly worksLocal
1 report: 1 says it partly works.
Reported with 1 integration: Marstek Modbus Suite.
What people report
| Integration | In Home Assistant | In Apple Home | What they said | Source |
|---|---|---|---|---|
| Marstek Modbus Suite | Partly works Local | Modbus dropout every 30 minutes on firmware v150; separate container fixes itSaved copyThis documents the firmware cause of the 30-minute Modbus dropouts reported against upstream in ViperRNMC/marstek_venus_modbus#277, and what can be done about it without patching anything. Everything below is read out of the decompiled Control firmware v150 (`VNSD-0_app_0150_0805_115146.bin`, ARM Cortex-M4F). Addresses are given so it can be checked. Where something is *not* verified, it says so. ## Short version The dropout is a cloud-upload watchdog. The device buffers telemetry records, uploads them to Marstek's cloud, and if that upload does not drain the buffer, it power-cycles its own … Excerpt saved from GitHub on 2026-10-23. | Issue #2 · 2026-08 |
Each row is one report from a GitHub thread, an integration’s docs, or r/homeassistant. Check the date and the linked source before you buy.
In ReReHome
Once Home Assistant’s HomeKit Bridge shares it, this device reaches Apple Home as a HomeKit accessory behind your Home Assistant bridge, so ReReHome shows and controls it like any other.
Identifiers
| Brand | Marstek |
|---|---|
| Model | Venus A/D/E v3 |
| Category | Energy |