In this Article and video the students of electronics will learn how to make automatic cut-off 12v battery charger. This video clearly shows how can you make automatic cut-off 12v battery charger very very easy with 12v relay and BC 457 transistor. You must watch the artificial. This circuit is very simple and you also make this circuit easily. I will show you the complete process step by step.

Table Of Content
- Circuit Diagram
- Required Components
- Tools Required
- Demo Video
Circuit Diagram

Required Components
- BC 547 Transistor – 1
- Relay 12v – 1
- Resistor 12k – 1
- Resistor 1k -1
- Resistor 680 – 1
- LED – 2
- Buzzer
- Input Supply 13v
Tools Required
- Soldering Iron
- Soldering Flux
- Soldering Wire
- IC Holding Stand
- Side Cutter
Demo Video
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