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Old 06-20-2016, 07:16 PM   #11
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One panel will only give you about 25 amp hrs per day. Worse if clouds or any shadowing. That might only be replaceing losses like refrige on propane 12 v board especially if defrost strip, and other parasitic losses like detectors. If you are trully not drawing amps ( battery disconected ) then check voltages coming out of panel to make sure it is in specification. Then check charge controller output, it needes to be at least 13.4 and more like 14.4 to force a charge into battery.

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Old 06-20-2016, 07:57 PM   #12
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portable solar works for me

What is the name of your120 watt portable panel and where did you get it?
What did it cost? Did your 2016 Forester 2401 WS MBS come with the 12 V plug mounted on the outside of your coach or did you mount it yourself? Thank you for help.


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Old 06-20-2016, 08:17 PM   #13
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If you are camping ( fridge running, radio and tv in standby mode and CO/Propane detector on you are most likely getting only 2-3 amps max into the battery after fulfilling the parasitic draw. If you have an 80Ahr battery at 50% charge you need to replace approx 40Ahr. At 2.5A you would need 16 hrs of full sun per day.

Originally Posted by rmadera2002 View Post
Guys - I bought a 100 watt Renogy panel start-up kit with controller, expecting to be able to charge the battery like you all are. For some reason, I am not getting any juice back into the battery! Cables are hooked up correctly and I am getting juice at the controller from the panel, and juice from the controller to the battery.

I ran the battery down to 2/3 level by running lights, a 12v fan and a radio for a few hours. After 2 sunny days of charging (all loads are off), I still have 2/3 battery. Any ideas are helpful. I have called Renogy tech support and they say it's charging normally. Thanks

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Old 10-02-2016, 12:21 PM   #14
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We used the 120 Zamp solar suitcase which looks similar to the picture from OP. I have sleep apnea and I wanted to be sure to have power for my Cpap machine. We took a 3 month trip from Md. to the Colorado Plateau staying primarily in National Parks and Forests which for the most part do not have hookups. We never had a problem. It is a "plug and play" set up and paired with 2 parallel batteries, we had plenty of power. The nice thing about the portable set up is that you can move it around to get your maximum sun. Zamp tends to be more expensive but it works for us and we did not need to do anything but plug it in. Mind you we were in sun for 3 months with no rain. Awesome trip.

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