12V Battery Level Full Change Signal Circuit - Simple Electronic Project





Diagram of 12V Battery Full Charge Level Indicator Circuit diagram


Components Needed for this Project:

You can get the components from any of the sites below:

  1. 470 Ohm Resistor [See Buy Click Amazon]
  2. LED 5mm [See Buy Click Amazon]
  3. 12V Zener Diode [See Buy Click Amazon]
  4. 9V Zener Diode [See Buy Click Amazon]
  5. 6V Zener Diode [See Buy Click Amazon]
  6. 3V Zener Diode [See Buy Click Amazon]

*Please note: These are affiliate links. I may make a commission if you buy the components through these links. I would appreciate your support in this way!

Related Basic Electronic Mini Project Circuit Diagram:


Working Principle




Frequently asked questions

How can I test my 12v battery without a multimeter?

If you don't have a multimeter to tell you the voltage of your battery 12V battery. you can do a test of your electrical system by starting the car and turning on the headlights 12V dc battery. If they are dim. that indicates the lights are running off the battery and that little or no charge is being produced by the alternator system.

What is a battery level indicator?

Battery level indicator is the project that indicates the status of the battery by use of LED and LCD. This project can know the status of the battery left 12V battery change system. This can make it easier for to people be more alert than about the status of their battery level.

Can a dead battery read 12 volts?

If the battery measures 12V with no load it is bad or badly in need of a charge control circuit diagram. If it reads 10.5V or less when under starter load, you need a new battery.

What is a bad battery voltage?

At 12.4v the battery is considered 75% charged and can still ignite your engine. When the battery voltage lowers to 12.2v without the engine running. it is considered a bad battery that may start your engine but is no longer capable of holding a charge system.

Is 13.2 volts good for a battery?

When a deep cycle battery is fully charged, it typically reaches a voltage of around 12.6 to 12.8 volts. However, the voltage can temporarily rise to around 13.2v during the charging process system.

Related Articles