1000btu/hour of cooling requires about 300watt/hours of power . A 100 amp hour battery has about 1250 watt hours. So if you completely drain the battery you get about 4 hours of cooling, but lead acid batteries shouldn’t be run below 50% power. So really you get 2 hours of run time for every...
It’s been another 5 years, so another update.
The galley has been pretty stable for a while. Camp chef oven twists out and the Waeco CF 35 pulls out.
The water cans now sit on the fenders. The PS can has a gravity drain that primes the pump, the DS can uses a dip tube once the pump is primed...
I don’t have a transfer switch, just an electric plug. If I want gen power I plug into a generator, if I want city power I plug in there. You only need a transfer switch if you have a generator hard wired.
Another thing to keep in mind is that even Yeti requires the cooler be filled with about 50% ice to stay for more than a couple of days.
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FWIW, I’ve monitored charging with a 7 pin connection to my tear drop. As stated above the charge rate is low, it seems to be enough to replenish what my fridge uses, but not enough to recharge the battery from a low level. iIRC last trip I took about 500 watt hours out of the battery, on the 3...
George, I tend to agree, the home built off-road trailers are generally over built. It is important that the frame is well constructed and capable of carrying the required weight and then some for the reasons stated above. Where home builders go wrong IMO is that they continue to add weight...
For 15$ you can get a 20A solar charge controller and wire it up to do the same thing.
https://smile.amazon.com/Controller-soled-Battery-Intelligent-Regulator/dp/B06ZY6ZPWQ/ref=sr_1_9?ie=UTF8&qid=1520276248&sr=8-9&keywords=20a+solar+charge+controller+12v