Nathan D's posts

Posted by Nathan D on Sep 8, 2010 02:10 am

#1 -  Renewable Energy > Technical Discussion: Solar Electric System - Photovoltaic > Two different sized batteries off one panel
Greetings,
I have a situation where I have a 180w panel which was given to me because it was broken.  I've made it usable and waterproofed it as best I could, but that's not the point.

It's putting out 27v in "okay" sun so I figure it'll put out plenty in good sun.

My questions is, I would like to use it to charge both a 24v and a 12v battery bank.  (The 24v is my mower, so the panel is WAY overkill) I've got both 24 and 12 rated charge controllers, so if I use a down-converter on the 12v side before the charge controller, would that work?  Or would I massively screw up something?  Smiley

Thanks in advance,
Nate

PS: If it matters, both controllers are PWM.
 

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