I have posted many battery charger circuits in this site, some are easy to build but less efficient, while some are too sophisticated involving complex construction steps. The one posted here is possibly the easiset with its concept and also is extremely easy to build. In fact if you had all the required material you […]
Newly Updated Circuit Projects:
Battery Charger Problems Troubleshooting Discussed
The included battery charger circuit was designed and built by Mr.Vinod Chandran, however there’s some issues and problems with the circuit the troubleshooting of the same is addressed in this article. I have explained the discussion between Vinod and me. Discussing a Transistor Battery Charger Problem Vinod: I am attaching the circuit image of the […]
Sec Exciter Powered HV Capacitor Charger Circuit
My friend Steven has updated a few more of his findings related to his sec exciter experiment, I have explained more what Mr. Steven has to say. NEW SEC EXCITER POWERED HV CAP CHARGER WITH HV DC OUTPUT Here’s the newest circuit originally it was a 3 piece circuit i found on YouTube so i modified it and upgraded […]
Battery Cut Off Charger Circuit Using a Single Relay
Amazed to hear this! Yep that’s actually possible, you would need only one relay and a handful of diodes to make a simplest one relay automatic battery charger circuit. How it Works The idea struck me while trying to design the easiest possible battery charger circuit for one my clients. The concept is simple; just […]
Selectable 4 Step Low Voltage Battery Cut off Circuit
In this post I have explained a circuit configuration which facilitates a multi-step low voltage selection and cut-off for the battery being used and monitored. The circuit was proposed by Mr. Pete. Technical Specifications Dear Swagatam,Your assistance during the past few days has been incredible, thanks to which I think I have managed to get close to […]
Convert SMPS into a Solar Charger
In this post I have explained how to convert smps into a solar charger circuit. The method will result in an extremely efficient and fast solar charging of the connected battery. SMPS Solar Chargers SMPSs have become very common nowadays and we find them being used in the form of AC to DC adapters wherever […]





