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| Design and Implementation of a 24V/40apolarity-Sensitive Automatic Battery Charger
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Makinde Kayode, Amao Enock and Lawal Olawale Kazeem
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Abstract:
24V/40A polarity sensitive automatic battery charger is a device that was designed to charge both home and industrial types of batteries. This design aimed to construct a battery charger that can detect a change in battery polarity terminals and also make available a charging unit capable of charging batteries at a faster rate and cutting off supply when the battery is fully charged. The automation was made possible because of the introduction of the microcontroller embedded in the circuit to activate the switching process. This technique would help to save the device from being damaged as a result of a mistake in reversing the battery charger terminals (the positive and negative terminals) and at the same time prolong the lifespan of the batteries, as it will not be overcharged. A 200AH block battery was used to carry out the test; the charger was connected for 6 hours with a constant supply of electricity. At about 5hours 20 minutes the LED screen of the charger displayed 28V and it cuts off charging. This showed that the battery was fully charged, this shows that the aim of the design was achieved
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