This 12V battery charger circuit can charge 12 volt batteries with maximum current 20 A rms.
Parts list :
R1 : 5K1
R2 : 6K8
C : 0.1uF
Z1 : 1N4735
SCR : 2N6167
Tr : 2N4851
TI
PRIMARY = 30 TURNS #22
SECONDARY = 45 TURNS #22
CORE FERROXCUBE 203 F 161.3C3
Rs : SERIES RESISTANCE TO LIMIT CURRENT THROUGH SCR
2N6167 IS RATED AT 20 AMPS RMS
