12v Lead Acid Battery Charger Circuit. Diodes 1n4007 x 3 1n4732a zener 2sd882 npn transistor. I recommend the circuit diagram below.
If you want to more high current then replace the transformer with 10a and use 10a10 diode. Also you have 18v unregulated power supply. Related post 12v portable battery charger circuit using lm317.
A 12v battery is normally recharged at 14 2 v or 2 40v per cell.
This circuit has the principle is simple. This circuit has the principle is simple. Related post 12v portable battery charger circuit using lm317. You can use a readymade 12v 10 a bridge rectifier which is available in the market.
