Battery charger suitable for alkaline battery and nickel metal hydride battery

摘要

Battery charger suitable for alkaline batteries and nickel metal hydride batteries, comprising a DC input (1), a polarity correction circuit (2), a voltage stabilizing circuit (3), a capacitance measuring circuit (4), a battery test and alarm circuit (5), a state of charge indicator Switching circuit (6), at least one charging current switching circuit (7), at least one overcharge protection voltage switching circuit (8), at least one overcharge protection circuit (9), at least one recharge protection circuit (10), at least one alkaline battery or nickel-metal hydride battery (11 ) and at least one state of charge indicator circuit (12), wherein the DC input (1) is electrically connected to the polarity correction circuit (2), the polarity correcting circuit (2) is for preventing the use of a transformer having a different polarity, wherein when a wrong voltage is supplied, the battery charger does not operate, and the polarity correction circuit (2) is electrically connected to the voltage stabilizing circuit (3), the voltage stabilizing circuit (3) is for stabilizing the input voltage for the battery charger to operate reliably, the voltage stabilizing circuit (3) being electrically connected to the capacitance measuring circuit (4), the charge state switching circuit (6) and the charging current switching circuit (7); the capacitance measuring circuit (4) has at least one voltage comparator for measuring the residual capacity of the alkaline battery ...