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7.4V LiPo battery charging

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libuz

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I have to charge a 7.4V battery of 2500mAh with 12V dc. What should be the current output of the power supply? what is the mathematical equation for this?
If I want to charge the battery with another similar battery, how efficient will it be?
 

Li.GIF

I hope its helps you.
 

It's a LDO. It is not power effiecient.
 

It gives maximum 800 mA charging Current .

Your battery fully charged in more or less 3 hours..

What you expect the charging current?
 

ah,i think you real need a dc-dc converter.Just search it on linear website
 

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