Battery Charger Indicator

409

10:14:43

All the LEDs will emit when the battery is full.  The first LED (no zener) indicated when you have the applied voltage in this case 9V, the column to the right, the LED will come on when your battery as reached a 5V charge and likewise for the 4.5V zener and 3V zener. The diode at the voltage source is for reverse polarity protection as well. 

published 8 years ago

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