Constant Voltage Current Limited Charger

Constant Voltage Current Limited Charger
This 12v lead acid battery charger circuit based Regulator IC LM723C.  The lead acid battery charger circuit can provide 12 V output voltage at 0.42 A maximum current. This battery charger circuit is design for 12 V Lead Acid battery. (more…)

12V Nicad Battery charger 200mA/H

12V Nicad Battery charger 200mA/H
This 12V Nicad Battery charger 200mA/H circuit charges the electric battery at 75 mA until the battery is charged, then it cuts down the current to a trickle rate. It'll fully recharge a dead nicad battery in 4 hours and the battery can be left in the  Nicad Battery charger for a long time. (more…)