Quote:
Originally Posted by 71Cuda
The current house batteries are dead.
I'm not sure if I can run the fridge only and have these few short charging cycles.
I'd like a system that also cuts off the batteries before they get damaged. If my factory system is capable of doing that I believe its not set correctly.
I'd like to upgrade the batteries since I need to replace them anyways. Upgrade the solar panel if it will actually help and upgrade any of the battery charging controls to something that cares for the batteries as well.
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Two good batteries will run your refrigerator during the business day, but if you don't plug your unit in at night, the batteries are probably going to run down on you. The amount of driving you do won't charge them fully, unless you park in the sun during all daylight hours.
Your solar and your Magnum should be sufficient for what you do. The Magnum is a good unit but it will let your battery drain to destruction if left unattended and unplugged for as little as two weeks. It does have a low voltage cut off setting so I can't really explain why it drains. I have also had the BIM allow the chassis battery to drain, too, after the house battery is exhausted.
One of the best investments is a real disconnect switch as the AI switch still allows drain. (it runs the lp detector, the Magnum)
You might also invite some more brain damage by reading the threads on refrigerator ventilation and why the stock installation runs so poorly and so warm and so long.
Until mine was fixed, I was going to give up on my fridge and just buy a portable
12v (which should work for your needs).
Similar to this
https://www.amazon.com/ACOPOWER-P15-...e+refrigerator