Full discharger charger

Warning: the charge / discharge / maintenance of each battery is independently BUT the intensity of the batteries 2, 3, and 4 MUST be less than the intensity of the first battery. Sometimes he refuses one chooses one of the 3 or 4 different intensities and imposes his own.
Display: battery recycling fashion we do not know where he is, how soon it will be finished (up to several days) (charge or discharge, the how much does th?)