# History

```
Field Name                Unit       Diagram          Description

BATTERY_VOLTAGE_MINUS     0.01 V     /                Battery voltage of the Minus side of the battery
BATTERY_VOLTAGE_PLUS      0.01 V     /                Battery voltage of the Plus side of the battery
BATTERY_LEVEL_MINUS       1    %     /                Battery Level of the minus side of the battery
BATTERY_LEVEL_PLUS        1    %     /                Battery level of the plus side of the battery
BATTERY_POWER_FROM        1    W     To Battery       Battery discharging power
BATTERY_POWER_TO          1    W     From Battery     Battery charging power
INPUT_POWER_FROM          1    W     From Input       Power imported from the input of the UPS
INPUT_POWER_TO            1    W     To Input         Power exported to the input of the UPS
GRID_POWER_FROM           1    W     From Grid        Power imported from the grid, measured by Energy Meter EM0
GRID_POWER_TO             1    W     To Grid          Power exported to the grid, measured by Energy Meter EM0
LOAD_POWER                1    W     Load             Power of the protected output
HOUSE_POWER               1    W     House            Power of the unprotected load
SOLAR_POWER               1    W     UPS Solar        Solar power of the UPS
EXTSOL_POWER              1    W     ExtSol           Solar power of the external solar devices, measured by Energy Meter EM3
GRIDSOL_POWER             1    W     GridSol          Solar power of an external solar device that bypasses the main counter and feeds directly to the grid
EXTSTOR_POWER_FROM        1    W     From ExtStor     Power exported from an external storage system (AC-Storage, EV-Charger, etc.), measured by Energy Meter EM5
EXTSTOR_POWER_TO          1    W     To ExtStor       Power imported to an external storage system (AC-Storage, EV-Charger, etc.), measured by Energy Meter EM5
```

## Energy Diagram

<div align="center"><img src="https://4226182563-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-MRxxZZhDcEU_RUZTN6J%2Fuploads%2Ft8obbRwi5jmSNsumcexb%2Fbx_energy_diagram_20221011.png?alt=media&#x26;token=f45792bf-b418-4af5-a240-e64a4fbfc788" alt=""></div>