This is a design circuit that is a very simple battery monitor using a dual-color LED and a few additional components. When the red and green LEDs are illuminated, the LED produces orange. The following battery monitor circuit turns on the red LED below 10.5v. The green LED illuminates above 11.6v. The orange LED illuminates between 10.5v and 11.6v. This is the figure of the circuit;
This simple battery monitor circuit is suitable for your 12V lead acid car battery: simple indication of the battery health.
[Schematic circuit source: talkingelectronics.com].
This simple battery monitor circuit is suitable for your 12V lead acid car battery: simple indication of the battery health.
[Schematic circuit source: talkingelectronics.com].
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