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Post by snuffy on Nov 13, 2015 10:15:23 GMT -8
Hi, newbie here just starting out. I have ordered the 100 watt panel with the LCD pwm controller from Amazon. My charge controller and inverter is going to be inside my man cave with the batteries (2-110AH DC) outside in a battery box due to space limitations. My man cave will be climate controlled when I am in it. I downloaded the controller manual to study up on the device.
I would like to know what effect the temperature difference between the controller location and batteries will have on the charging of the batteries?
There could be as much as 10°C difference which according to the spec sheet (-4mV\Cell\°C) would mean +/-40mV per cell, which doesn't sound like much. But is the "cell" they are referring to a cell in a battery bank or a cell in the PV panel? If it's a PV, how many cells are on the panel?
Snuffy
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Post by Admin on Nov 14, 2015 12:42:43 GMT -8
Heya Snuffy!
It is definitely recommended to keep the charge controller close the batteries. As you notice it's not a huge difference with how much voltage it changes, however, it is a good charge maintenance for batteries. The (-4mV\Cell\°C) that you refer to, was this in the spec sheet for the charge controller or the solar panel? The °C difference change means how much temperature change from 25°C which is room temperature.
Please let me know if you have any further questions. Thanks!
Austin Walti Renogy Technical Support Team
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