Example SN: 4WWEQ20D5C0420
4 - Represents a battery compatible with the Ninebot E/ES series scooters.
5 - Represents a battery compatible with the Ninebot Max series scooters.
6 - Represents a Ninebot Max battery used in non-foldable rental units.
If the version ID starts with a W, then it's a external battery on an ES, or an intenal on a MAX.
If the version ID starts with a V, then it's a internal battery on the ES.
Represents the year in which a battery was made. 20 - 2020, 19 - 2019 etc.
Represents a month in which a battery was made.
A - January, B - February C - March D - April E - May F - June
G - July H - August I - September J - October K - November L - December
Represents a day in which a battery was made.
|Day||Character in the SN|
Represents the battery revision. A represents rev. 1, B represents rev. 2, C rev. 3 etc.
Incremental counter identifying every battery made each day.
For example 123 means the 123rd battery made on a particular day.