Solar Charger For Nimh Do I still need a regulator ?

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Alphi
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Joined: Sunday, October 21, 2007 - 21:51
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Solar Charger For Nimh Do I still need a regulator ?

I'm working on a solar charger for 12Volt Nimh packs..

if its only going to trickle charge would I still need to use a voltage regulator ?

or could i just hook the panel up straight to the battery pack.

NickF23
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Re: Solar Charger For Nimh Do I still need a regulator ?

nimh will float at under c/10 but how will you know when your batteries are charged? Temp cutoff circuit is one idea but it will only work if the charge current is high enough to produce a temperature rise.

Alphi
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Re: Solar Charger For Nimh Do I still need a regulator ?

would you even need that ?

Nimh batteries are a bit forgiving when it comes to over charging

if its just a trickle from a solar cell.

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