ISO 7176-25:2022
[Current]
Wheelchairs — Part 25: Lead-acid batteries and chargers for powered wheelchairs — Requirements and test methods
...ss is made up of the following phases:
a bulk charging (constant current) phase, where the charging current is controlled by the battery
charger;
an absorption (constant voltage) phase, during which the voltage is controlled by the battery charger ...
...To complete the charging process, the absorption phase should come to an end...
...ssed in ampere hours (C
5
) has been discharged to the
cut off voltage specified by the battery manufacturer at an electric current equal to C
5
/5, expressed in
amperes (I
5
), a battery charger shall have a suitable output current, to be able to r...