Pb137 simple charger circuit

This Pb137 simple charger schematic circuit project can be used for lead acid battery using the PB137 voltage regulator circuit which is to provide 1.5A at 13.7 volts and some other electronic parts.
PB137 is made by ST Microelectronics in a TO-220 package and is a complete constant voltage battery charger with reverse polarity protection , over temperature protection , over voltage protection and short circuit protection .

This battery charger circuit require just few external electronic parts : two capacitors , transformer and the charger IC .