i have two 9V NiMH 180mAh batteries. can someone provide a schematic for a charger. i have looked around a bit. ive done a few searches at google and ive seen the circuits at discovercircuits. i want help from u guys on this. i know that a charger is not that complicated on which much help is required but i havent played much with rechargeable batteries. some info on NiMH battery charging in general will be appreciated

 

Please see this:
http://www.electronics-lab.com/proje...wer/index.html

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This is one of the sites linked from DiscoverCircuits http://www.angelfire.com/electronic/hayles/charge1.html, it's quite informative about the best ways to charge NiMh and NiCd.

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look a http://www.tehnic.go.ro/incarcator.htm
is simple :wink: with a LM7805, a red LED and a resistor
current charge is recomadated to be 18mA and time of charge 10-12 hours

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