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saveone12
Commentator

Join Date: Sep 2010
Posts: 66

Solar Controller

08/21/2012 1:46 PM

I am showing 17 volt from the Solar panel ; then showing 17 volt to the batteries on the controller. ( should't it be 12 volts ) It is a 12-24 volt controller
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redfred
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Engineering Fields - Electrical Engineering - Been there, done that. Engineering Fields - Control Engineering - New Member

Join Date: Dec 2008
Location: Long Island NY
Posts: 15600
Good Answers: 981
#1

Re: Solar Controller

08/21/2012 1:53 PM

Maybe. I have no idea where and when are you getting 17 volts. Don't forget that one must apply a voltage greater than the battery voltage to charge the battery. It is also wise to have some intelligence in the design of your battery charger circuitry so that you do not overcharge and ruin your batteries.

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WJMFIRE
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Join Date: Apr 2009
Location: USA, Florida
Posts: 1595
Good Answers: 125
#2

Re: Solar Controller

08/21/2012 2:57 PM

If your controller is passing through the 17 volts to the batteries, one of the following is the probable (and I am saying probable) cause:

1. You have your controller set on 24 volts.....reset to 12 volts.

2. You have a bad controller.....replace controller.

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John chen
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Join Date: Nov 2012
Posts: 9
#3

Re: Solar Controller

11/29/2012 3:30 AM

generally, the controller should have the function to protect your battery do not over charged, such 12v battery, your controller 12v, it will protect your battery without over 17v. if not, u need to change one controller. for 10A, 12V can just be 11usd/pc
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