need solar 12v 7.2ah battery charger circuit diagram....

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chinnacreative88

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my solar panel reads 20v on sunny day.i decided to make a 12v 7.2ah lead acid battery charger.As am new to electronic design....can anyone suggest a circuit for this.......
 

Use a LM317 for constant voltage charging as it is too safe with max 1.5 amps current limit. But do use a good heat sink for the device..Cheers
 

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