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Someone with more information will probably answer. My understanding is same chemistry and same voltage and you are fine. It was thought at some point mixing different amp hours didn't work but even much of that has proven mostly false.

Define efficient? Electric heater is 100% efficient but I wouldn't heat my house with it. Just because it's bigger doesn't have to make it less efficient. Our newer 27cf Samsung runs half the electric that our 20cf 20 year old Whirlpool does.

I'm going to go a little off topic. I like Ray's videos. Is he honest? I have no clue. I watched SFK's video. I personally wouldn't do that to a customer but he's not me. I'll watch all the videos and come here and read all the posts and learn from all of it. I appreciate those that have tested...

You get what you pay for. The evidence is in the accurate documentation with any good products.

You should not start balancing before 3.400 per cell. Try that and charge to 13.7-14 volts. Your cells don't look bad.

I love the "Shock Therapy"! I was just watching The Red Green Show over the weekend. And I'm completely off topic!?????

You're still in the flat part of the voltage curve at that voltage. They all need to go to 55.2 and be held there for a while. They are likely no where near 100% charged.

Does cleaning out the garage count? It's been 7 years!🤣🤣🤣🤣

You don't need support when it's that cheap just buy 2!

$5k to take down a tree seams high but depending on the circumstances might be right. Did you get any other estimates? Maybe @Adam De Lay needs some more firewood! LOL I saw you were in Michigan!

We've had the 5th wheel for 10 years now. We still would rather stay in it rather than a hotel! It's nice to have all your stuff.

Pulling a vacuum is not a replacement for finding a leak with a pressure test PERIOD! This is the only right way. Other ways you will think are successful until one day your system fails. It will always fail on the hottest or coldest day of the year according to Murphy!

Did you reach out to @SignatureSolarJess ?

Yes or something similar. If you use 12 volt in series you will have balancing issues.

Some have more money than?

You likely won't have the carrying capacity on your pop up for a system large enough to run all three at the same time. You probably need more than one panel on the roof also.

I don't know about that. No matter what you decide there will be a percentage of the population that questions your decisions and are vocal about it. Don't let them take that away from you! It's your forum. I don't agree with all your opinions but also realize they are yours and I have then been...

I don't think you are understanding. A 12k unit run at 75% capacity is 9k and likely more efficient than the 9k run at 100%. This will help extend your solar and batteries. Check your specifications for details.

And I was all ready to load and leave for Carolina! 🤣🤣🤣🤣

I would completely top up the whole bank. If each battery is still only taking 8 amps as one approaches 100% its amps will start to drop. The others will maintain amps and the voltage will slowly increase.

@Steve_S I'm getting my ? ready. If this is anything like his other thread it should be good!

I do agree with SeaGal. He is combative on nearly every post especially if you have posted corrections to his comments. This is where IMHO he becomes more of a danger to inexperienced people. I might block him but I don't know what all I miss if I do. Although it's quite comical to read his...

JMHO but we need both. Higher efficiency cells will give a better foot print and fit in tigher spaces. Batteries could help bring down storage space and ROI.

I'm a rare bird. With WWW I'm educated before I leave the house. Now back in the day I had to ask for literature and get sales then ask again for the engineering documents and wiring diagrams. ?

Really big! 1 btu changes 1 pound of water 1 degree. How big is your AC unit? 2 ton is 24000 btu per hour. 1 gallon of water is approximately 8.33 pounds. When water goes through the phase change it gains or loses 144 BTU's so there is a tremendous amount of heat transfer in that process. If...

I have lived my entire life buying more/higher specs than what was really needed. Other than spending more money upfront I can't think of even one time I was sorry.

@OzSolar Yes you are correct. This comes from my hvac geothermal background. If you go from 32 F water to 32 F ice you remove 144 btu's per pound of water. Same calculation the other way ice to water. To bring this into perspective. @32 F water add 144 btu's and you end up with 176 F water...

I did some research a while ago. If you go to Victronenergy.com and get the manual it shows correct wiring for what ever application you need but only up to 48 volts.

This should be interesting

Depending on your layout even the 12000 might not be enough. We have a 38' 5th wheel and I am figuring 18000 to 24000 to do it. I do HVAC and Electrical for a living.