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Created Battery (markdown)

Candas1
2020-11-21 13:02:33 +01:00
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Most of the Hoverboard mainboards use a 10S2P LIPO Batteries (36v Nominal - 42v Charged ).<br />
If you want to use a battery with less or more cells in parallel(at your own risk), change BAT_CELLS parameter in config.h (10 by default).
## Battery level low alerts
|Level|Single Cell Voltage|Beeps|Sideboard Led|
|---|---|---|---|
|LVL5|3.9v||Green blink|
|LVL4|3.8v||Yellow|
|LVL3|3.7v||Yellow blink|
|LVL2|3.6v|Gentle beeps|Red|
|LVL1|3.5v|Fast beeps|Red Blink|
|DEAD|3.37v|Shutdown|Off|
You can adjust the levels to your needs in config.h
## Calibration:
Battery voltage has to be calibrated to have a more accurate reading
* Measure battery voltage with a multimeter and write the value * 100 to parameter BAT_CALIB_REAL_VOLTAGE in config.h
* Read value 5 from [Debug Serial](https://github.com/EmanuelFeru/hoverboard-firmware-hack-FOC/wiki/Debug-Serial) and write it to parameter BAT_CALIB_ADC in config.h
* Save, compile and flash the board
* Value 6 in Debug Serial should match with the measured battery voltage now
## Troubleshooting:
If the board is beeping
* Make sure you have updated the number of cells in config.h if you use a battery with less parallel cells
* With a battery of low quality/health, pulling a lot of current will result in a big battery voltage drop