RV solar that will independently charge 2 batteries

TowPro

Senior Member
Joined
Aug 1, 2012
Posts
3,820
This is a product review for teh Epever dual bank 20a solar controller.

I installed one of these Epever solar controllers on my pontoon boat almost 2 years ago. I only have a 50w panel mounted on the back of the boat so this system acts like a trickle charger with around 2A in direct sun. I also installed a remote meter that shows me battery condition, etc. but honestly, I never look at the meter, the controller just plan works. Never had a dead battery in the almost 2 years the pontoon boat has been on the water. I have not had to add much water to batteries in that 1.5 years either.

What is nice about this is you can wire it independently charge 2 batteries. I have mine set to first charge my trolling motor battery, than when that is full it will top off my starting battery. in your motor home it could charge your coach batteries than your starting battery.

Its only rated at 20a so I would limit it to 400w of solar.
(I used to keep my 2018 MB sprinter MH fully charged with only 100w and the Gopower dual bank solar charger that came with it so 400w should keep you going with a 12v refrigerator.) I don't recall if this controller can do Lithium.

price is under $40 bucks for the controller and around the same if you want the meter. (I see the 30a gopower dual bank controller is now $150 on amazon but it was a whole lot more than that when I bought this Epever.)
 
I can see ways I could use this.


I have 4 Renogy 100 watt solar panels that I'm making into 2 fold able suitcase sets. I already have 1 Renogy suitcase panel set. And I was looking for a small inexpensive controller for each of the suitcases that I build and this will do the job. Thanks for posting this.
 
I've had two EPEVER controllers. One I killed with my stupidity. The other is their 30A Triron brand MPPT controller. It's been great. I like the Epever brand because they send all of the controller data out over a RS485 port. The protocol is documented.

I can pull the data myself into my computer and track things remotely.

I think I'm on year 4 of the controller. So far so good.
 

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