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Battery chargers come in different shapes, sizes and capacities, but it is difficult (if not rare) to find one charger unit that regulates overcharge and can charge different battery voltages. This work uses the basic electrical principles and ICs, to design a user friendly charger circuit that manually adjusts the voltage depending on the voltage of the battery, (6volts, 9volts and 12volts was considered because it is generally available). The circuit charges in three modes namely: Burstdoi:10.4314/njt.v36i4.32 fatcat:o264zeo625bpnews4xqbouj4xm