12V Battery charger auto cut off circuit design project

12V Battery charger auto cut off circuit design project

12 volt Battery charger project


A charger is a device used to charge battery-powered appliances. It stores energy in the battery by forcing an electric current. It is also known as a battery charger or recharger. There are different types of chargers for different applications.

The post describes the circuit diagram and working explanation of a simply designed circuit of a battery charger. Battery charger converts chemical energy into electrical energy, the chemical energy is stored in it and used for conversion when it is needed.

When electrical energy is converted back into chemical energy, the phenomenon is called discharging the battery.

The two methods of charging are constant voltage where the voltage is kept constant and constant current where the current is kept constant.

Circuit Diagram

Battery charger auto cut off circuit

Read Also:

Circuit Components

  1. BC547 Transistor-01pc [See Buy Click Amazon]
  2. 12V coil,10amp Relay -01pc [See Buy Click Amazon]
  3. 12volt,12AH Battery-01pc [See Buy Click Amazon]
  4. 10k Variable Resistor-01pc [See Buy Click Amazon]
  5. 10k Resistor-01pc [See Buy Click Amazon]
  6. 1k Resistor-01pc [See Buy Click Amazon]
  7. 1N4007 Diode-01pc[See Buy Click Amazon]
  8. 3mm LED Red-01pc[See Buy Click Amazon]
  9. 3mm LED Green-01pc[See Buy Click Amazon]

*Please note: These are affiliate links. If you purchase items through these links, I may make a commission. I would appreciate your support in this way!

Frequently Asked Questions:
How long will it take to fully charge the battery?

The charging system depends on the size and type of the battery being charged.

Why is a battery charger used?

A battery charger, recharger, or simply charger, is a device that stores energy in a battery by running an electric current through it.

What is the charging voltage of the 12v battery charger?

12-volt battery charging voltage of 13.7 volts.

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