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me too. when I have time I'll open up the batteries and take a look.

Yes. 2 serial and 4 in parallel. web page states "4P2S" for a max of 30.72 Kwh. There are laser welds.. not sure I want to do a dissection and resurrection.

You are correct. I will edit my post.

I am upgrading from a growatt 24v inverter to an eg4 6000xp 48v inverter. I've order 1 48v EG4 LL battery ( 100ah) as well. My current system consists of two 150AH 24v batteries in parallel ( 300AH). I want to serialize these into a single 150AH 48v battery, then put the EG4 battery ( 100AH)...

I can't add these to my current strings. I would need to make a new string, but I'm not ready yet. Keep me in mind -- I have another charge controller I'll be adding once I get the two I just bought installed. Thanks for posting these.

It was already set. I think user ( was user2) amd setting both voltages to 27.4 is what fixed it.

I have it dialed in now

Are you using lifepo4 batteries and 'user 2' on the growatt 3000?

So Solar/Battery/Utility is not really solar first. It does not use solar first -- it uses Battery if it's above the 'float' voltage, and only pulls solar if it trying to charge the battery.

Understood.. but why won't the growatt AIO switch to solar when there is an AC load? At the end of the day, my battery is down 10 or 15 percent, even.though the sun has been out all day. I would expect the day to end with a larger charge.

I have a growatt 3000 SPF LVM with 6.5 KHW battery. I have my inverter set to 'Solar/Battery/Utility' but when my battery hit's 100%, I don't think it's trying to pull any solar, because it reports '0 W' solar PV on solar assistant. Does it draw on the battery and not use solar when the...

I also live in Clayton. I am interested. Six would be perfect.

Current system is 3s2p ( all 175w panels) ed is 54v 19.5a Panel STD Voc STD Vmax NMOT Voc NMOT Vmax V Temp coef REC365AA ( ~$275) 44.0 36.7 41.5 35.0 renogy 175w ( ~$195) 21.6 18.0 -0.31 v/c Hyundai HiA-S370HI 370w 47.4 39.6 -0.31 v/c

What panels are recommended for a growatt 3000 24v which has voc of 145 and mppt of 125? Currently, I have six 175w panel form renogy ( 3s2p ), but I am thinking of adding a second growatt 3000 for split phase ( to support my well pump). I'd rather go with another vendor which may be...

I've added a new battery to my 24v solar charger/inverter, and I have two weize 12v 100ah batteries. I'm considering tearing the batteries apart to create a 24v battery with a smarter BMS. I've seen the teardown by Will Prowse and believe the batteries to be welded to the bus bars, so I need...

Here's a pict |- +----12v-----12v----+ 100 AH - two 12v weize TP12100 batteries. |.............................| NC +---------24v---------+ 200Ah - EG4 24v |- The weize batteries say they can be used 4 serial and 4 parallel. I used a...

I have a 24v Growatt SPF, 1kw of panels, two 12v 100ah weize lifepo4 batteries and a PI running solar assistant. I need to expand my batteries. I have been looking at the EG4 battery to put in parallel with my 24v battery bank, but when I talk to vendors, they do not recommend using different...

I'm looking for a local contact at greentech renewables as well. All my emails want me to use a contractor ( for my off grid 1kw / 2.5khw system that is in use now). I am looking for a better mounting system for my shingle roof, and shipping is very expensive.

I have a small DIY solar electric generator system: 1 (24v) Growatt 3000, 2 Weize 100 AH batteries, about 700W of panels. I would like to double the batteries and double the solar cells next year. I use it to power some items in my garage -- refrigerator, water softener, some rechargable...

I live in clayton ( near raleigh nc) and I got the same response.

I put an inline fuse on both + and - , only because of an unfounded fear of lightning.

I started with separate components from Renogy, because I wanted to try it out cheaply. However, I ended up with an AIO and more panels with much more battery. Now I have enough components for two complete systems. I could have saved a lot of money by jumping directly to the AIO, since it is...

I am going with Growatt 24v spf 3000. looks like 3kw 24v inverter would cost 2/3rds of the aio.

well point us to the 'other link' then. btw, I've upgraded to two 100ah lifepo4 batteries and four 175w panels. The renogy takes 520watts ( or 1040 @ 24v ). 3x175w is 525w ( 5 over the 520w supported ), but I have never seen more than ~85 percent of rated. Going with a growatt, I can...

I have built a small solar generator ( 350w, 40a mppt, 1000w inverter, single 12v 100ah lifepo4 battery), and I'm thinking of getting a bigger inverter. I will need another battery to support a bigger current draw of the inverter, and will probably want to double my panels as well. May go...

My renogy 1000w inverter has a COMM RJ connector and a Remote RJ connector ( never counted the # of contacts). I contacted Renogy and they said there is not BlueTooth controller for the COMM connector. Neither BT-1 or BT-2 will work with it. R-INVT-PGH1-10111S is the model number. This is...