dead batteries
I have a 2014 Airstream.It has 3 solar panels. I use to live in S.Calif where the solar panels kept my 2 batteries always in full charge; most days were sunny there. Now I live in N. Calif and there ...
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I have been using solar on my trailers for about 6 years. Started with one 100w panel, and one 110aH Group 27 battery. Did well, except when camped for a week with rain most of every day.
Installed second 100w panel, and second Grp 27 battery. Even camping in the winter in Colorado (dry, running furnace and 'fridge), I was never low on juice.
Now have new trailer with 2 160w panels, and 2 Grp 27 (110aH ea) batteries. Have not been below 80% on the batteries, even after running furnace overnight (20° each night) last weekend.
You seem to have a problem of 1) getting recharge current to your batteries, 2) batteries capable of holding a charge, or 3) something is drawing way more juice from your batteries than the solar is putting back. If that is the case, unless you have less than 50w of panels, you have a problem.
Check you batteries, first. Then, if they are okay, can you isolate your trailer from the batteries, so you can be charging with solar, but not have anything drawing power from the batteries? If it charges fine with trailer circuits disconnected, then you will know your batteries are fine, your solar is working, and you have something in your trailer that is drawing way too much current from your batteries (when trailer circuits are connected to batteries.)
Installed second 100w panel, and second Grp 27 battery. Even camping in the winter in Colorado (dry, running furnace and 'fridge), I was never low on juice.
Now have new trailer with 2 160w panels, and 2 Grp 27 (110aH ea) batteries. Have not been below 80% on the batteries, even after running furnace overnight (20° each night) last weekend.
You seem to have a problem of 1) getting recharge current to your batteries, 2) batteries capable of holding a charge, or 3) something is drawing way more juice from your batteries than the solar is putting back. If that is the case, unless you have less than 50w of panels, you have a problem.
Check you batteries, first. Then, if they are okay, can you isolate your trailer from the batteries, so you can be charging with solar, but not have anything drawing power from the batteries? If it charges fine with trailer circuits disconnected, then you will know your batteries are fine, your solar is working, and you have something in your trailer that is drawing way too much current from your batteries (when trailer circuits are connected to batteries.)
