Constant current battery charger circuit
This is a Nicad battery charger circuit that old, but very effective. Because the principle of charging with Constant current And controlled by constant voltage. The high efficiency.Reduce anxiety on rechargeable batteries for a long time.We use a simple IC-7805 is that everyone must know. To control the constant voltage. We maintain constant current circuits with transistors. And reliability than using a single resistor. Like this circuit. Simple Ni-cad battery charger with little parts Normally ni cad battery often apply current be stable charger. This circuit was designed go up for use to do battery package aforementioned a kind cell …
Dry Cell Battery Charger circuit
This is Dry Cell Battery Charger Circuit. That can use charger battery get that about 12 hour. When apply to power supply 9 volt the equipment that fix in the circuit use for size battery AA. If use the size C or D should devalue of Resistor RX down be 68ohm and should not lead battery come to serial while voltage in cell battery lower 1.6V. The Comparator Circuit with (IC741) control Gate output from Pulse Oscillator at use the integrated circuit CMOS 4011 change Transistor that do infront charger battery until voltage tall 1.6V Comparator Circuit more make LED …