In this video I am going to use an old dead 220V AC computer power supply and convert it to a battery charger and 12V 30 Amp DC power supply. It can charge maximum battery up to 450Ah. The circuit diagram has been provided in the video.
the manufacture of this charger requires very few components. Its design makes it possible to deliver a high intensity depending on the choice of transformer and power components: The transformer, the diode bridge and the thyristor. The regulation system based on a very stable adjustable shunt regulator (TL431) allows the charger to be permanently connected for floating operation. the transformer must have a secondary voltage, no load, between 15.5V and 17V.
In this video I am going to use an old dead 220V AC computer power supply and convert it to a battery charger and 12V 30 Amp DC power supply. It can charge maximum battery up to 450Ah. The circuit diagram has been provided in the video.
the manufacture of this charger requires very few components. Its design makes it possible to deliver a high intensity depending on the choice of transformer and power components: The transformer, the diode bridge and the thyristor. The regulation system based on a very stable adjustable shunt regulator (TL431) allows the charger to be permanently connected for floating operation. the transformer must have a secondary voltage, no load, between 15.5V and 17V.
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