Solar 12v Battery Charger Circuit Diagram. From the above block diagram you can very easily get the idea that how your circuit is going to work. The output voltage and current are regulated by adjusting the adjust pin of lm317 voltage regulator.
The charging current passes to lm317 voltage regulator through the diode d1. Solar charge controller specifications. 7 to 14v adjustable not recommended for 6v applications max power dissipation.
The output voltage and current are regulated by adjusting the adjust pin of lm317 voltage regulator.
The article explains a dual input hybrid solar and wind battery charger circuit using cheap and ordinary components. Solar battery charger circuit principle. 16w includes power dissipation of d3. The smd leds are fully safeguarded thermally and from over current using an inexpensive lm 338.