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dpgllg's avatar
dpgllg
Explorer
May 14, 2020

Looking for Solar Panel system to just MAINTAIN battery

I have to store my 5th wheel at a storage yard. I am looking for a solar panel system that will maintain one 12v deep cycle battery. The battery will be charged prior to being hooked up to the solar s...
2oldman's avatar
2oldman
Explorer II
May 14, 2020
The math is the most definitive way to figure this.

Let's say you come home with a 50% depleted battery. I'll assume that means you need to replenish about 50ah. That panel will crank out, at most, about 3 amps for a few hours per day. So I'll be generous and say about 20 ah/day.

That means it will take the panel about 3 days to charge your battery with full sun every day.

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