21/11/2019 · One battery type ni-MH (detect) is some millivolts, and never UP 1,50v for charging by battery. If you go more (ex: 1.70v) you break the battery (Create Internal Resistance, etc) The ni-Cd (After one long storage for example) for 100% FULL, in some case charging with 1,85v (max) for good 100% full, and the delta peak is strong 16mV and it’s easy for charger to detect the delta peak of