@sh.add_function(dsp, outputs=['drive_battery_n_cells'])
def calculate_drive_battery_n_cells(
drive_battery_n_parallel_cells, drive_battery_n_series_cells):
"""
Calculate the number of battery cells [-].
:param drive_battery_n_parallel_cells:
Number of battery cells in parallel [-].
:type drive_battery_n_parallel_cells: int
:param drive_battery_n_series_cells:
Number of battery cells in series [-].
:type drive_battery_n_series_cells: int
:return:
Number of battery cells [-].
:rtype: int
"""
return drive_battery_n_parallel_cells * drive_battery_n_series_cells