In this article I will be discussing a list of simple 12V battery charger circuits which are very easy and cheap by its design yet extremely accurate with its output voltage and current specs. All the designs presented here are current controlled meaning their outputs will never go beyond a predetermined fixed current level. UPDATE: […]
Newly Updated Circuit Projects:
NiMH Battery Charger Circuit
A single state-of-the-art chip, a transistor and a few other inexpensive passive components are the only materials required for making this outstanding, self regulating, over charge controlled, automatic NiMH battery charger circuit. Let’s study the whole operation explained in the article. Main Features: How the Charger Circuit Works Referring to the diagram we see a […]
One Transistor Automatic Battery Charger Circuit
This one transistor cheap battery charger circuit is designed to automatically switch OFF the supply to the battery as soon as the battery has reached its full charge level. A very simple single transistor automatic battery charger circuit is I have I have explained in this article, which uses just a single transistor for the […]
Self Regulating Battery Charger Circuit
In this post I have explained how a neat little self regulating automatic battery charger circuit can be made using just two inexpensive transistors. This circuit will automatically regulate the charging supply to the battery depending on its charge level, by switching the input supply ON and OFF periodically. How it Works As can be […]
Lead Acid Battery Charger Circuits
The lead acid battery charger circuits I have explained in this article can be used for charging all types of lead acid batteries at a specified rate. This article explains a few lead acid battery charger circuits with automatic over charge, and low discharge cut off. All these designs are thoroughly tested and can be […]
4 Simple Battery Desulfator Circuits Explored
In this article we investigate 4 simple yet powerful battery desulfator circuits, which can be used to effectively remove and prevent desulfation in lead acid batteries. The first method uses PWM pulses from a 555 PWM circuit, the second method implements an ordinary bridge rectifier for implementing a 100 Hz frequency based desulfation, the 3rd […]