![]() ![]() Now if you want to build something more functional and matched up to work with 400 watts of solar panels you only need 40 amp controller (60 will work), but you would be much better off using a pair of 6-volt FLA batteries sized to 250 to 300 AH. If all you intend to run is one battery, only use 2 panels and trash the other two. That is a little more than required for the 2 batteries, but being AGM should be OK. With 400 watts of panels at most will only generate 30 amps of charge current out of the controller. Not sure what you are afraid of? 12 volt systems only become dangerous when the loads become more than 80 amps which you are not coming close too. ![]() Thank you for taking the time to help me out and I'm more than happy to provide more info if needed. ![]() If I do need to change components, AGM batteries are my preference for their low maintenance needs. One more thing, I don't have a lot of money and it took me some time to put this system together, so please refrain from suggesting things like lithium batteries or overly expensive components because I won't be able to act on your advice. I'm not going to ask the slew of questions I first intended until this is settled. #Alpenlite 5th wheel specifications install#If these components are unsafe for my intended RV install how should I adjust to make it work, ie Is a single 12v 100ah battery okay, or is it imperative that I switch to a bank of 6v? How many of the 100w panels should I use? Do I need to buy a completely different charge controller? (*note* The trailer has a 40a 12v panel, is currently utilizing 2x 12v FLA in parallel, and the harness is set up for them) We have frequent power outages so I had hoped it would be enough to run my 12v forced air heater and AC/propane fridge when it's switched over to propane during an extended outage. I have no intention of using this system to power an inverter at this time, only the 12v appliances and lights. I bought these components with the intention of eventually using them to run grow lights but wanted to temporarily use them to run the trailer till I could afford a smaller, more suitable, setup. I've read so much conflicting information over the last 2 years I've become lost in the storm of it. I was planning on installing this system to run the 12v components of my 5th wheel but now that I've read the 12v safety sticky I'm wondering if these solar components should be used, or can be safely. 60a Top One Power MPPT charge controller without a dedicated ground terminal ![]()
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