... voltage can be chosen, 4.15V-4.25V, 0.01v one step. (Default setting is 4.20 V)4.Charge Current Set ... several segments of charge current for choice, 500mA-4000mA, 100mA one step. (Default setting is 800mA)5.Selection of cells count: in ... Bad Battery: When charging a Li-Poly battery pack, if one cell or several cells are damaged, the smart charger will ...