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SGSST109E · 04-05-2015, 10:36 PM

The device is called a charger controller. The three batteries in the trailer never have to be charged. I use a older technology one, the newer ones uses more of the panels power. If you are using a higher voltage panel it very important. Mine put out 45 volts in peak light. If you use panels that put out around 18 volts it is much easier to control. The industry has come a long way in the last 15 years. I have almost 900 watts on my trailer. So I can keep the batteries peaked, run the laptop and weather station, pager and radio. Can also run a fan all on solar. All weekend long. Then I put the battery charger on the race car battery over night off the batteries. One of these days I will put a small panel just to maintain the race car battery with it own charge controller.

04-05-2015, 10:36 PM	#10
SGSST109E Member Join Date: Jun 2007 Location: NJ Posts: 351 Likes: 62 Liked 126 Times in 61 Posts	Re: Any Greenies in the audience? The device is called a charger controller. The three batteries in the trailer never have to be charged. I use a older technology one, the newer ones uses more of the panels power. If you are using a higher voltage panel it very important. Mine put out 45 volts in peak light. If you use panels that put out around 18 volts it is much easier to control. The industry has come a long way in the last 15 years. I have almost 900 watts on my trailer. So I can keep the batteries peaked, run the laptop and weather station, pager and radio. Can also run a fan all on solar. All weekend long. Then I put the battery charger on the race car battery over night off the batteries. One of these days I will put a small panel just to maintain the race car battery with it own charge controller.