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Sunday, August 26, 2012

How to make a car battery charger and Motorcycle Battery


Here is the circuit diagram of a simple and straight forward 12 V battery charger circuit with diagram. This circuit can be used to charge all type of 12V rechargeable batteries including car batteries and motorcycle batteries.


Circuit diagram with Parts list.




Notes. 
  • At initial stages of charging the ammeter will read about 7,5  to 10 amperes.
  • As the battery is slowly charged the current slowly decreases.
  • When the battery is fully charged the ammeter reading will be 4 -5 ampere
  • Always be careful to connect the charger to the battery in correct polarity. Positive to positive and negative to negative.




step down transfomator 5 ampere

box charger

Diode bridge 35 ampere

Transformator and box charger


circuit battery charger


secondary winding







primary winding



diode 35 ampere and cable

time charging period
I hope this information is useful

3 comments:

  1. the battery circuit you elaborated is quit useful.The Car Battery is an important part of the car, that is why, battery check up is necessary.
    You may encounter car problems and engine stoppage when the battery is in bad shape.

    ReplyDelete
  2. Hi can i use at secod schematic a trasformer whit 14-0-14 v ? Or at the first one 21v please email me at markelov04@yahoo.com

    ReplyDelete
  3. Thank you for the blog. Optima 8040 yellow top battery can provide extra performance despite the presence of a stereo system, running lights, and a hydraulic system. Get more information visit:http://www.powergenixsystems.com/best-car-battery-reviews/

    ReplyDelete