Battery Cell Card - Real-Time Cell Monitoring
(Link to the German version: Deutsch)
Version: 0.8.0
Description:
A Home Assistant custom card for visualizing battery cells, cell voltages, SOC, balancing status, and voltage differences.
Supports LiFePO4, NMC/NCM, Lead-Acid and fully custom voltage scales.
New in Version 0.8.0
- Battery chemistry – LiFePO4, NMC/NCM, Lead-Acid (2V cell) or Custom
- LiFePO4 scale unchanged – Legend, cell colors and fill curve identical to v0.7.2
- NMC preset – 3.00 V – 4.20 V
- Lead-Acid preset – 1.80 V – 2.45 V per 2V cell
- Custom range –
custom_min_mv/custom_max_mv - Custom legend & cell scale – optional
legend_stopsoverrides colors, labels, heights and fill curve - Editor – new “Battery Chemistry” section (EN/DE)
New in Version 0.7.2
- Overlay BugFix
New in Version 0.7.1
- Language support – Added English and German language support for the card editor. The editor automatically follows the Home Assistant language setting.
- Bug fixes – Fixed several editor issues, including the cell name editing bug where the input field lost focus after every keystroke.
- Better performance – Improved editor performance by avoiding unnecessary list re-renders when editing existing cells and sensors.
New in Version 0.7.0
- New native Home Assistant Visual Editor
- Add, edit, delete, and reorder cells directly in the editor
- Additional sensors with custom names and icons
- Theme selection in the editor
- Responsive cell chunking
- Support for
grid_options - Improved responsive layout and content updates
card_heightandbackgroundare no longer used
Note:
The cell bar heights represent cell voltage, not state of charge.
The percentage SOC can be displayed in the legend when an SOC sensor is configured.
Installation via HACS
