Home Battery Simulation
hif2k1/battery_sim · vv2.9.0
Home assistant home battery simulator - allows you to model how much energy you would save with a home battery
In Apple Home through HomeKit Bridge
What HomeKit Bridge makes of each kind of entity this integration creates, read from its source code. A device only gets the ones that apply to it.
| Entity | Shows up as | Note |
|---|---|---|
switch | Switch or outlet | |
sensor | Sensor (temperature, humidity, air quality…) | |
button | Button (as a switch) | |
select | Mode picker (as switches) |
What people report
Simulation integration with preset configs for real home batteries; community adds new battery models by PR.
- Works2
| Device | In Home Assistant | In Apple Home | What they said | Source |
|---|---|---|---|---|
| HomeWizard plug-in battery | Works | Added to examples/templatesSaved copyDutch smart-energy company HomeWizard Energy is selling a pre orders for a "works with Home Assistant"-labeled plug-in battery, which I added to the templates. https://www.homewizard.com/nl/shop/battery-pre-order/ Excerpt saved from GitHub on 2026-10-23. | PR #133 · 2024-08 | |
| SolaX X3-IES-P battery | Works | Presets for 5-30kW variants addedSaved copyThe original text was already deleted or overwritten when we archived it. | PR #196 · 2026-03 |
Gathered from GitHub issues, pull requests, discussions and docs, and from r/homeassistant. These are individual reports, so check the linked thread and the date before you buy.
How it connects
Local push
Talks to the device on your network, and the device tells Home Assistant the moment something changes.
Details
| Installs (analytics) | 870 (0.12%) |
|---|---|
| GitHub stars | 228 |
| Latest version | v2.9.0 (2026-10-07) |
| Set up in the UI | Yes |
| Maintainers | @hif2k1, @dewi-ny-je |
| License | MIT |
In ReReHome
Whatever HomeKit Bridge shares reaches Apple Home as normal HomeKit accessories behind your Home Assistant bridge, so ReReHome shows and controls them like any other.
Bridges get their own settings page listing the accessories behind them.
Sources
- Documentation: https://github.com/hif2k1/battery_sim/
- Source code: https://github.com/hif2k1/battery_sim
- Issues: https://github.com/hif2k1/battery_sim/issues
- HACS: https://hacs.xyz
