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FYI the newer units have the bond disabled/removed.

Non vented AC isn't an AC. It's a device that blows cold air out one end, and hotter air out the other.

I'd put in a Midea inverter window unit...

Cool. Wanted to make sure.

Looking at the EG4 3000EHV-48 Am I reading this correctly, that I'll need an array with at least a 120v open circuit voltage?

Did you get anywhere with this? I want some of these inverters, but need to be able to control the ground-neutral bond.

I would think that's fine. You're just creating a ground-neutral bond at the generator. There are commercial plugs you can buy for this, or make your own... or a jumper wire... just depends on your generator. I have a similar question... I want to disable the bond on the EG4. I will ONLY use...

Been a while... I came across this unit, which seems to fit the bill. Not a "portable" style like I originally desired, but the EG4 stuff seems well loved and battle tested at this point. https://eg4electronics.com/products/all-products/inverters/eg4-6000ex-48hv/

https://www.recpro.com/rv-air-conditioner-low-profile-9-5k-quiet-ac-with-remote-control-non-ducted/

Not dead. Went with an ultra quiet recpro unit.

Thx. Sure would be nice if the Sigineer could charge on 120v like the Samlex. Not a big deal I guess, but it will certainly do what I need.

@Dynoman thanks for the links. The sigineer should be more than I need, and I can use it on my existing 12v bank and can charge batteries through it with my 2000 watt gas generator if needed.

I have 240v loads... just none that I need to power from the inverter.

I don't need to run any 240 loads... just need/desire to power both phases of my main panel. Before anyone asks, my my main panel is outside, so a multi-circuit transfer switch isn't really an option.

I'm looking for a minimal inverter. I need 240v split phase w/ neutral inverter (think whole house generator input). I only need to run lights, fridge, and small electronics, but I need to feed a 240v split phase panel. I only need to feed 1200-1500 watts max. What's the smallest split-phase...

I do the same thing with mine.

67 vs 75db - big difference. 75 isn't TERRIBLE but.... 67 is pretty quiet

I have a military diesel genset - Whole different ball of wax.

I looked at one in store yesterday. Would be a nice upgrade to my big noisy open frame I use as a whole house backup. It's one of the only inverter generators that has split phase 240

Same. The comparable Honda is a ton of money. The new horrible freight inverter generators seem really nice.. We'll see what their longevity is.. We know their honda clone engines are outstanding.

Nice. I'm really interested in this unit...

I learned this the hard way. Lower voltage needs much better connections.

https://www.sunfunkits.com/product/19/4-pack-eve-lithium-lf280n-certified-automotive-grade These are used? Regardless, that isn't my point or question.

Yes, they have "balancers" in them, something like 30-50ma which is nothing. I know we don't need to charge to 14.6 - But many commercial chargers DO charge to 14.6 and are not adjustable. And to clarify here.... I'm not trying to solve any of my own problems... just having a conversation.

I've never purchased a commercial LifePo4 battery, so I'm curious about cell drift. I've built several DIY packs. Some VERY diy, and recently a Sun Fun Kit with quality eve 280ah cells. I notice that no matter what balancing method used (actual proper top balance with all cells in parallel...

To decide, start by defining what you need your system to do. Do you need a 400ah battery that can provide 100amps? Or do you need a 15kwh system that can provide hundreds of amps? I'd use internal BMS's for a battery that's up to a couple hundred amp hours... If you're building a large...

Are you going to run a new main lead from the primary battery? If not you don't need to worry about taxing it. The others were correct... I only get about 9 amps through the dainty factory wire.

Ordered my SFK kit a day ago. 280ah cells, with their BMS and new V3 lid/spacer system. Once I receive the kit and start building it I will update the thread.

Do you have the 12/24 or the 36/48 version? I have the 12/24 and it runs like a champ. Yes it has a fan but it outputs 75amps all day if I need it to.

https://theinverterstore.com/product/aims-ac-converter-battery-charger-36v-48v-smart-charger-25-amps-large-charging-capacity/ These are great standalone chargers. Variable output, so if you have concerns about load on the generator you can just turn the output down a little bit.

Sorry, it's a smile link. I gain nothing from it.

Not a mini split exactly, but it is a heat pump.... https://www.amazon.com/Cooper-Hunter-Conditioner-Including-Controller/dp/B098ZTKTRZ?_encoding=UTF8&*Version*=1&*entries*=0&ie=UTF8&linkCode=sl1&tag=chrifamifina-20&linkId=812466022930c5a89d7490c9e4a0acb7&language=en_US&ref_=as_li_ss_tl

I've not frozen a ton of batteries... but isn't 9.7 a bit low?

I'm not saying your method wouldn't work. But for someone who's only going to be at 30 degrees, it wont take much to warm up the batteries. If I were building a bank that's below freezing for long periods of time, heck yeah, I'd build a proper box and use those stick on pads.

It's two degrees. people sleep under and stay warm with heated blankets all the time, and they're not sleeping on top of them.