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Why the adapter O/P voltage goes to 1.1V in a charging circuit?

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saurav_sdpl

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I am charging 1.2V NIMH battery with 5V@500mA adaptor, but when i connect battery to adaptor the adaptor O/P voltage dips to 1.1V, WEhy???????
 

sivankls

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Re: charging circuit

The impedance of battery is very low and the adaptor is not able to source high current...anyway u have to limit current to 0.1Ah for safe charging....
 

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