200_mA_HOUR，12_V_NI_CAD_BATTERY_CHARGER

Published:2009/6/24 22:13:00 Author:May | From:SeekIC

This circuit charges the battery at 75 mA until the battery is charged, then it reduces the current to a trickle rate. It will completely recharge a dead battery in four hours and the battery can be left in the charger indefinitely. To set the shut-off point, connect a 270-ohm, 2-watt resistor across the charge terminals and adjust the pot for 15.5 volts across the resistor.



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