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24 volts. 4000 watts. But my question is not specific to a particular voltage or wattage. What I want to know is should MBRF fusing be sized at continuous amps or at surge amps.

Thanks for the help guys. One last question for sizing the fuse going from buss bar to inverter. Inverter is a low freq 4000 wat with a surge capable of 12000 wats. My well pump will pull close to 12000 wats during startup which is very brief, less than a second. I am considering using...

Similar question for the LiFePOWER4 batteries. 24v and 200 Ah. Internal 100amp breaker. Charts say use an 80 amp fuse for the 48” 6awg cable. But maybe a fuse more than 100 amp is more practical so the breaker will trip first? Or is the breaker alone enough protection?

For the BigBatteries which are 24v 170Ah. They came internally fused with a 300amp type-t fuse. They also came with a 48” 6 awg cable. Charts say that the 6 awg cable should be fused at 80 amps. Would it make sense to swap out the internal 300 amp fuse with a smaller 100 amp or 80 amp...

Oh sorry all 6awg cables are 36” and the 1/0 guage cables are 12”.

Sorry about the dashes above. I had it all neat looking with columns using tabs but it got scrunched together when published. I get confused looking at the fuse size charts. They say for 6awg cable to use an 80amp fuse. But the LiFePower4 battery came with 6awg cables and a 100 amp...

I have some rather basic questions about system wire sizing and fuse sizing. Batteries BigBattery———BigBattery———liFePOWER4———IiFePower4 24v 170Ah———24v 170Ah———24v 200Ah————24v 200Ah Built-in—————Built-in———— Built-in——————Built-in 300a Fuse ———300a fuse ——— 100a breaker ———100a breaker...

I should hope so!

If you had purchased your battery from BattleBorn you would not be having these issues. But then again you would have paid a lot more $. I just got my two 24v 170ah batteries from big battery. They were not perfect. One of them is missing a screw on the case. I called to complain. They are...

W What did you buy for $24000? Gold plated battery box?

Good chart but it may be a little optimistic. My well pump runs at 2000W but start surges to 9000W. Actual measured.

I agree. I watched Wills video with interest but realized that these inverters are high frequency with very little surge capability. As I understand it you need to up-size the low frequency inverter so that any surge load is within the continuous rating of the inverter. That negates any...

The Outback has a great reputation. Dont think I can swing the price what with batteries and what-nots. I was really hoping the GS4048 would work but specs say it is just a tad under what I need for the surge

Which inverter specifically?

I have a 240v well and I occasional have extended power outages. I want to hook up a US 120/240 split phase inverter capable of handling a starting surge of 37 amps (9000ish watts) The budget is $2000 ish for the inverter. My preference is 24vdc but can also do 48vdc. Reliability and...

Someone told me Victron would be coming out with a 120/240 split phase inverter sometime first quarter of 2021. Anyone know more about this? (A single unit not requiring stacking).

Im going to look into this also. Didn’t know it was an option. Is it a simple rewire?

Thanks for youe experience. Good to know. Aims seems to be the better product, but i have nothing to base that opinion on except the notion that you get what you pay for. Higher prices = more capabilities. But then there is the nagging suspicion that all these inverters are manufactured...

Growatt makes a LF inverter. Which is the better product? The Aims 6000w. Or the Growatt 6000w?

If only Victron made an inverter with 120/240 vac split phase output.

No i think you misunderstand my goal. Im not interested in a simple inexpensive amazon solution. Im looking for a complicated expensive solution.

Im wondering if there is a dc to dc converter that will step 24vdc down to USB iPhone charging voltage and amperage directly? Bypassing the inverter completely. Im thinking it would be more efficient. Fyi i did search first.

This one? https://www.amazon.com/dp/B0899XHTN6/ref=cm_sw_em_r_mt_dp_q9t5Fb623KQC6?_encoding=UTF8&psc=1

What is crap? several products being discussed in this thread

Good to know. I would expect the larger inverter to do the job. its a shame that the 4000W version is just shy of the surge amps I need for the pump.

than Thanks. If will likes it or one like it thats good enough for me. Just to clarify my battery is a sealed 24v 170ah battery so I wont have access to the individual cells unless I want to break the warrantee seal. So I will be using this to test the capacity of the entire battery...

Is this any good? Would it work for my stated application? https://www.amazon.com/dp/B08MQ1G57D/ref=cm_sw_em_r_mt_dp_Fhj5Fb2V6PB2V Electronic load tester 180W upgrade version 4-wire color screen DC tester electronic adjustment constant load meter lithium battery capacity monitor discharge...

Ok slightly different question. I have two big batterys inbound. Specs say 24v 170ah. Will says we should capacity test these batteries and send back if they fail. I have not yet purchased any of my other components. I havent eve made the final decision on 24v or 48v yet. I dont want to be...

Are Sigineer and Aims the same inverter with different names or is it morel like Cadalac v chevy?

Got it. Makes sense. I would like to go with the better product but on paper neither the schnieder or the magnum will handle my well pump surge of 37.31 Amps or 8954 Watts.

good point. My well pump draws 8 amps or 1920 Watts continuous. But startup is a whopping 37.31 Amps or 8954 Watts. 375 Amps at 24vdc For comparison My battery bank is a 24vdc 340AH.

comparing stats on three 4000W inverters AIMS POWER PICOGLF4024240SUL 4000 WATT PURE SINE INVERTER CHARGER 24VDC TO 120/240VAC OUTPUT LISTED TO-UL 458/CSA. $1321.00 20 second surge 12000 Watts Magnum MS4024PAE Inverter Charger, 4000W 24VDC 120/240VAC Pure Sine, USA. $1729.00 5 second surge...

awsome thoughts. I do have experience pulling and replacing a well pump. direct visual experience as I sood there and watched the guy the whole time. 175' deep well. He was able to easily pull the pipe and pump up by hand and we stretched it out on the ground while he replaced the pump...

Taking a secong look at the Outback Radian but now at the GS4048A. Price is a little higher. The specs on the GS4048A again would almost meet my loads. Continuous loads no problem. Starting load is not quite . My well pump draws 8 amps or 1920 Watts continuous. But startup is a whopping...

Well the Price on this one is certainly good. The specs on the SW4024-120/240 would almost meet my loads. Continuous loads no problem. Starting load is another matter. My well pump draws 8 amps or 1920 Watts continuous. But startup is a whopping 37.31 Amps or 8954 Watts. (measured...