12V Battery Charger Auto-cut-off Homemade

Introduction

If you’re looking for an easy and affordable way to make a 12V battery charger Auto-cut-off at home, there are plenty of options available. One popular method is to use a simple transformer and rectifier circuit that converts AC power into DC power. To get started, you’ll need a transformer with a voltage rating between 12-15 volts, as well as some diodes and capacitors to create the rectifier circuit.

In this article I have made a 12V Battery Charger. It can charge batteries up to 60Ah. I have made this charger auto cutoff using very simple component. I hope this article will be helpful to you.

Circuit Diagram

of 12V Battery Charger Auto-cut-off

More Circuit Layouts

Project PCB (Front)

Project PCB (Rear)

Explanation of 12V Battery Charger Auto-cut-off

Once you’ve assembled your components, it’s just a matter of wiring them up and connecting your battery to the output. Keep in mind that safety precautions must be taken when working with electricity – always double-check your work before plugging anything in, and wear appropriate protective gear such as gloves or goggles if necessary. With a little bit of effort, anyone can successfully build their own homemade 12V battery charger for all of their charging needs!

Components List of 12V Battery Charger Auto-cut-off

• 1- 1 X 555 timer IC
• 2- 1 X BC547 transistors
• 3- 4X 6A10 diodes (6 Amp diodes)
• 4- 2X 100uf 50V capacitors (electrolytic)
• 5- 2X 10K ohm resistors (1/4 watt)
• 6- 2X 470 ohm resistors (1/4 watt)
• 7- 1X 10K variable resistor
• 8- 1X 1N4007 diode
• 9- 2X 100uf 50V capacitors (electrolytic)
• 10- 1X 1000uf 35V capacitors (electrolytic)
• 11- 1X 0.1uf nonpolar capacitors
• 12- 1X 12v relay
• 13- 1X red led
• 14- 1X green led
• 15- 2X 2pin terminal blocks
• 16- 1X 3pin terminal block
• 17- 1X 12v 6A transformer
• 18- Alligator clips
• 19- Dc wire
• 20- vero board
• 21- jumper wires
• 22- power cable
• GERBER FILE

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Conclusion

In conclusion, a Battery charger with an auto-cut-off feature is a reliable and convenient tool for charging lead-acid batteries, especially in automotive applications. This feature prevents overcharging and potential damage to the battery, which prolongs its lifespan and ensures a safe charging process. It is essential to choose a charger with the right specifications, such as voltage and amperage, to match the battery’s requirements. Additionally, it is crucial to follow the manufacturer’s instructions and safety guidelines when using and storing the battery charger. Overall, investing in a high-quality, auto-cut-off battery charger is a wise choice for anyone who wants to maintain their lead-acid battery‘s performance and durability.