Jul 23

5A 12V Lead Acid Automatic Battery Charger

Automatic Battery Charger-schematic-diagram

5A 12V Lead Acid Automatic Battery Charger Circuit Schematic Diagram

Automatic Battery Charger-circuit

5A 12V Lead Acid Automatic Battery Charger PCB and Layout

Parts List

Resistor :

  • R1 …………………………………… 470
  • R2,R3,R4,R7 ………………………… 1K
  • R5,R6 ……………………………….. 47K
  • R8 ……………………………………. 220

Variable Resistor :

  • VR1 ……………………………………. 5K

Capacitor :

  • C1 …………………………….. 100uF/25V

Diode :

  • D1,D2 ……………………………. 1N 4148
  • D3 ……………………………………… LED
  • D4 …………………………………. ZD 6,2V
  • D5,D6,D7,D8 …………………… 1N 4002
  • D9 …………………………. MDA 3502 – 4

Semiconductor :

  • SCR1,SCR2,SCR3 ……………. EC 103D
  • SCR4 …………………………….. 2N 4443