Solar Charge Controller Circuit Diagram

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Here is the schematic diagram of Solar Charge Controller (Solar Regulator). You may want to print it out, and then go on reading. Solar Charge Controller (Solar Regulator) is designed for 12V systems employing panels of up to 7A total current, and loads of not over 20A. It can be easily modified for greater currents. U1A compares an adjustable sample of the present battery voltage to a 5V reference from a highly stable source. According to the result, it controls the power transistors Q1 and...