Battery check
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Checking the battery state of your car
Finding out, how old your car is
The age of your car can be determined by looking at the Vehicle Identification number. This information is available in the
Info/Car 
menu.
The VIN is decoded there e.g.
VF31NZKYZHU900777 - year 2017/Peugeot/Mizushima
Finding out the capacity of your battery
The Dashboard/SOC menu shows the remaining capacity of the cells.
Checking the cell condition
You might want to check your cell condition under heavy load of many Amperes charging/discharging.
The safest way is during charging at a Fastcharge station. You can also let can4eve log the data while you are driving and discharging and later analyze the data safely at home.
The Cellvoltage of all cells should be close "together". There should not be a single cell or a set of cells that has a much lower voltage than the other cells.
In this example the difference is ok:
