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Post by bighatnohorse! on Aug 3, 2016 6:26:34 GMT -8
My system will have about 25-feet of 10-gauge wire between the two 100 watt panels and the lead acid batteries.
Should the charge controller be positioned closer to the batteries, or the solar panels?
Or will it make a difference?
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Post by ross on Aug 3, 2016 6:50:09 GMT -8
closer to the batteries.
the panels have plenty of 'overhead', they produce peak power ~18v so there is a couple of volts of voltage drop available. From the controller to batt should be short and minimal voltage drop so that the controller's output matches the batt, you don't want the controller to regulate to 14.5v and only 14v getting to the battery!
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Post by Admin on Aug 23, 2016 13:35:17 GMT -8
Hello,
As Ross mentioned you want the controller closer to the batteries then panels. Having voltage drop between the controller and battery will change the voltage your battery charges at and could damage them over time.
-A.L.
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Post by spiderbob on Aug 25, 2016 6:39:25 GMT -8
But for safety concerns you should not place the controller directly over the batteries (the gases from the battery can deterioate electrical components). I placed a seperation (lexan) between my batteries and controller. Don't forget your fuse.
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