Settings for EG4 LIFEPO4 + Growatt 5000ES Inverter (Grid backed up self consumption configuration)
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- เผยแพร่เมื่อ 5 ก.ค. 2024
- This is a total settings walkthrough for using the 5000ES Inverters in an Off Grid with Utility Backup Mode configuration
With the onset of cost-effective long life lithium batteries and the decline of net-metering compensation many Solar Installs are moving away from selling to the grid and instead configuring the grid as a backup source only.
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This is the guy I want to talk to when I call tech support. I don't even have this unit, and he helped.
Haha agreed
Great video on how to set up the features on this Growatt 5000es. I have 4 of the mpp solar units because you guys didn't have any of these at the time and still havent gotten mine installed lol no videos at all on how to set those up by the sellers. I'm presently putting in my dad's growatt 5000es combo with the 2 units and the solaredge transformer that he got from you guys. This video will help me out a lot in getting it set up. He's using eve lithium cells though instead of the rack style lithium.
Excellent! Thank you!!
I was very happy with my Signature Solar purchases.
This was a big help. Thank you
I liked the way u explained.. Gonna subscribe
Time based charging from grid sounds appealing to me.
I have 4 c per kWh overnight, and a peak evening rate of about 28 c kWh in the daytime.
I know there are efficiency losses, but with my being underpaneled, I am tempted to try.
Do you have a video showing offgrid settings for the 3000 models? Great information thank you for sharing....
I would suggest letting the inverters restart on an overload condition. The majority of the time off gridders will size the supply and usage within an efficient range but there may be a time when enough appliances such as my four refrigerator compressors plus water heater and HVAC and well pump and kids gaming PCs etc all decide at once that now is the time to demand electrons. Proper surge current protections should already be in place such as T Class fuses, properly sized breakers, and non flammable backer boards to mitigate danger. Always way your risk vs reward but I cannot imagine a scenario where multiple inverters should all be shut down because 1 is malfunctioning. Great suggestions otherwise and thanks for all the great info and equipment you have provided over the years!!
Thank you for your comment @MichaelBrown-xb6pp
Great functionalities!
This was helpful. I am a missionary in East Africa and have my compound running on a growatt 5000ES inverter, with 4 of the large Growatt lithium iron batteries and 6,000 watts of solar panels. The challenge is the installers were electricians, and not really solar experts so sort of left the inverter in the default settings. I really worry whether for the Lithium batteries they have set the charge and discharge voltage levels correctly. There is just no technical expertise over here to help get my system tuned in. It pretty much works but at times has unexpected behaviours. I will continue watching your videos and hopefully I can get something figured out.
Where in East Africa?
Hi. I'am trying to get some informations about battery usage in PV systems. What does Utility means here? "We never want utility to charge our batteries"? Does it relate to power from the Grid?
Would the A/C in/grid connection be a standard 240v / 50 amp connection? L1, L2, N, and G? Do you just bond the neutral and ground coming in? Thanks!
Thanks for that you were very helpfull.
You're welcome!
When I use these settings my inverters limit battery charging to 10A regardless of available solar power. Any idea why?
I have 3 of the 5kw inverters with one set as master. Do I need to put wifi dongles on all 3 or just the master?
Great video. Do you mind showing some growat 5000es tutorials on how to set up zero export while connected to the grid. Net metering approval can take several weeks before getting an approval. Thanks
These units do not export, they are off grid units. You pull from the grid, but you cannot send. The way things are going I would not get into send power to the grid. California is looking at charging people as much as $8 dollars for each kw of your array. Electric companies are switching to credits instead of cast.
Great run through the options. One thing I haven't found an answer to in these inverters is if the AC pass-through from the grid is also limited by the AC output to 5000W. Any thoughts?
I'm looking for an answer to this too
@@HaydenLovett Did you find an answer? I'm also interested.
Nope. As the text on your screen says "AC Bypass" when the load is driven by the AC, the current does not go though the inverter. The only reason your inverter will do anything in this situation is if you are charging from the grid parallel to letting the AC run your loads. The inverter will be restricted in your charging to the limit set in option 11 in this case.
There is a 50 amp breaker on the AC input so that would be the limit of importing from the grid.
I am using the 5000ES to run a 3 hp well pump. I have Power Sav enabled so the inverter sleeps when it's not pumping water. Working great. Very efficient.
That's awesome!
May I ask your solar panel & battery wattage to run well pump off grid with Growatt? Looking to do something similar, thanks.
Using 4 of those monster BYD bus batteries that Battery Hookup had a year or so back. When the pump starts, the draw is a bit under 200a or 10kw. The PV array is about 3kw,
@@jerrylandrum8629 Wow, that's quite a draw!
Does the well pump have an electronic control (such as a VFD control) or is it purely an on-off switch? Wanted to use my Davey DD90-11 which has integrated pressure controller and VFD, but wondering if the idle mode will not keep the electronics happy.
Is there a way to program my generator to charge my batteries? Right now it’s running the house but won’t charge the batteries. Thanks.
Hi there! Could you be so kind and send me the link to your video where you explained how the enter in stand by mode and change the setting 23 on the Growatt SPF 5000 SE?
I’m following the instructions in the manual to set up my two Growatts, but can not enter setting 23 PAL.
Thank you for your very helpful videos ! Very best regards from Hungary
Hello, I have a Growatt SPF5000es and I want to return to the factory setting can you tell me how to do it, nothing is displayed the screen is black. thank you
HI
I installed a lithium battery and put a BMS cable and made the settings on Li and protocol 52 and the process succeeded as the screen showed the battery charge percentage and how many volts in it, in addition to that the battery started charging from the solar panels
But the problem is that the inverter no longer produces electricity for the house
Please help with many thanks
Can a similar video be done using the Schneider XW pro. Please and thank you.
I have a little problem, I select the setting for battery priority but at night the battery is at 100% and doesn't want to supply the load. the full supply load off the grid is very annoying. What about the settings so that the battery can be charged at night? Please help
thanks for the great video , Im just wondering what your advice would be for me, Ive got one of these inverters, 5kw of panels, and a 300ah lithium battery, however there has always been some issue with the BMS , so the inverter just won't work on Lithium mode, ive always run it on AGM mode, and its worked ok, no errors, no issues, other than that im not sure if something is going on in the back ground im unaware of.
Ive set it up as much as possible like your video, so I think it should be safe . do you have any advice ?
Always do the deep switches on the batteries when the battery is off,then switch on
Please can you do a video for deep cycle gel batteries?
I have 2 of the 48V Growatts in split phase. I have 2- 24V LifePo4 5kWh batteries setup as 48V. The units are set as SBU so that the grid is the last backup.
I have been on the phone a bunch of times with Battery EVO trying to figure out the correct battery settings. My batteries last 3 min then charge from the grid then back to the batteries for another 3 min and so on.(this is at night, my solar handles everything during the day).
From the usage I have logged Battery EVO says I should be getting about 2.5 hours before charge. DO you have any idea what could be wrong?
It has to be in the BMS settings, but then I have read EVO batteries do have problems. Eg4 are cheaper and flawlessly.
Awesome, awesome, aswesome. Thank you so much for this video. It helps me a lot, especially when you say to NEVER charge from the grid.👍
I have the same setup with a Growatt 5000ES, but have an issue with the charging ORDER. When the sun is up, solar power charges the batteries first and what's left goes to the house. If the house needs more, then the missing energy is taken from the grid. This is stupid. What I want/need is to reverse this charge priority. So that solar power goes to the house FIRST and what's left should charge the batteries. Any ideas on how to do that on the Growatt 5000ES?
Setting #01 change SUB to SBU?
@@JustaCuriousity I have it set to SBU
Is there a way to manage the fans based on load? Mine runs at full speed even on extremely low load (less then 10%).
Maybe you have inductive loads. Check
These inverters are set to run with the fans running at silly speeds - irrespective of the load. Ive upgraded to Sunsync.
Please if it possible advice me how to configure with Huawei smatLi-48-100 bettery
How can you run a hybrid growatt without grid conection ? Thanks
hello sorry if I disturb you or just installed my growatt 5000es or connected the lithium battery 48 volt 100ah with voltage 52.5 volts or tried to turn on and it did not turn on you can help me please thank you.Then or connected the 230volt network and it turned on but at the output it did not give me the 230volt to power the loads, and despite the battery is connected as soon as I remove the 230volt utility
Is their any option to prevent the inverter giving solar power from solar panels back to the Grid if we are idle in power consumption or charge battery/without battery?
As far as I know there is no setting, because the SPF5000ES does not send power back to the grid.
What is the difference between growatt 3000 vs 3000 es
I'm a little confused about setting 13. Someone else in a tutorial said to set at 100% but here you said 45%. Is the 45% just so it knows when to start using the battery again? The other tutorial I watched said 100% setting because it sets the upper limit of charge. Does it always charge up to 100% if you set 13 @ 45% for example? It's both charging and drawing from the battery once 45% is reached?
Yes it will always charge to 100%, setting it at 45% means it will not be drawing from the grid when it reaches that number as solar is now supplying the power.
@@TheFatman819 I've come to realize that, but thanks.
@@TheFatman819
I have a Off grid system not connected to the grid even at the input. To have a 10-90% lithium battery discharge/charge what parameters should I set in program 12,13,21?
(Inverter is Growatt spf5000es)
One person told me:
12= 10%
13= 35%
21= 5%
Do you agree?
Hi I’m in the uk have a growatt system when it’s connected it will not talk to each other. Have you got a video with more information
Here is a link to the communication video! th-cam.com/video/Uy50CekvDr0/w-d-xo.html
I have the lifepower batteries and I set them up exactly has he did in this video. I keep getting errors 3 and 36, battery over-charged. What am I missing?
Keen to understand this myself. Did you set setting 36? I tried and couldn't figure out what was right.
Can you do want with EG4 LIFEPO4 + Growatt 3000ES Inverter please ? or it is the same.
Hi, I installed 5000ES with an AGM battery but I noticed it stopped charging at SOC of 75% what could be the reason. Once at 75% is remains at floating stage
Whats your parameter settings?
this is exactly what i wanna have !!!!.....thanks for the instructions.
Enjoy!
Can’t find this in the manual. I’m wanting to run this with a TOU energy plan. I want to be on batteries during peak hours and charge not allow Grid charging unless the batteries are completely depleted. I don’t have enough sun to charge my batteries :( MPP Solar units have a timer function, but don’t see it on Growatt
Nevermind…last 30 seconds talks about option 49….
Can this inverter charge a bank off 120V? The manual says it has a mode for utility to be in that range
In theory yes, but you will be passing through 120v to the house, then splitting it into 60v/60v.
@@SignatureSolar thanks for the useful information
Hi Wonder if you can help me? I am on SUB mode and as soon as battery hits 100% inverter switches to utility even if full solar is available. Solar is "switched off"" and it runs on utility only. This is obviously not efficient as sun is still available. Any idea why this is happening?
We are 2. Tell me if you fix it!!!
Set it to SBU mode. SUB is Solar/Utility/Battery...SBU is Solar/Battery/Utility.
Hi, thank very much for this video.
I noticed that when the inverter is online on the grid and there is no more sun or battery, the inverter consumes 200 w more compared to the consumption used. Is this his self-consumption? I think that's a lot! At night it therefore goes for 12 hours to consume 2400 w which discharges the battery.
thank you for your reply
Chris
No not normal, my spf5000 has 60 watts
@@BackboneNF Mine too ~60 watts
These are the units I have... And I made a few changes to my settings following this video... For instance, I was grid charging, but I am not now. I may shift the charge point again to try to get battery charge during the day about that 95% mark just from solar. So far my over nightdischarge on 6 EG4 LL batteries was about 25%. In the first part of the day, the discharge seemed to continue despite generating more power than I am using... but I only have the solar one one inverter at the moment, and I am running 2 5000ES in parallel. I only have one comms dongle, so that may be why... Power usage is actually 2x what I am seeing.
Thank you so much for your feedback!
@@SignatureSolarI may go back and have the grid charge the batteries fully before the eclipse... just in case there is a brownout or blackout period. But generally, I will have it charge off solar only.
Hello. Is anything that can be done to reduce self inverter power consumption from batteries? Even if connected to GRID and no AC grid charge it still consumes around 60W from Li battery. During long nights, it can consum more than 700W from batteries. I would expect usage for self consumption from the grid and not from the batteries.
I also would like to hear an answer on this. I would also add that once the batteries are fully charged and PV power is still available the house load will pull partially from PV but even if additional PV is available the inverters will also pull from the batteries. Usually prior to when the sun goes down my batteries which should still be around 100% are depleted to usually 85% and even as low as 75% at dusk when I should be starting the night with 100% charge on the batteries. My inverters are set exactly as James did in the video except #12 is set to 29% and #13 is set to 40% and #21 is set at 20%. BTW, the Inverters alarm #4 ( battery voltage too low) at 26% charge. Is it ok to go to 80% DOD if the batteries alarm at 26% and continue to discharge even with AC bypassing to the load.
I am definitely intersted in the answer. We are having the same issue with the inverters pulling from the batteries when PV is 100% available. Which results in less than 100% charge on the batteries and we are back to the grid by morning. We have 6 LifePower4 batters.. Was told to change #1 setting to SOL - but .... that seems..... incorrect per the manual and videos.
@@maryanneblanke9290 please how did you set up parameter #36 for your lifepo4 batteries?? Can’t find that info. Thanks.
Muchas gracias, desde España lo siento nose escribir en inglés
Pero me gustaría hacer una pregunta en 2 inversores en paralelo growatt 5000 es, podría poner en 1 inversor 6 baterías pylonteck 2000c, son las que tengo y en el otro inversor 1 batería lifepo4 de 11kw.
Gracias y un saludo, tus vídeos son de mucha ayuda
Hello , can power up the inverter from grid to do these setting instead of battery
Yes!
Nice video. I wouldn't call it science fictiony to want to charge your batteries on a set schedule. If anything, you SHOULD want to schedule when the battery can charge, given PG&E's time-of-use, or in the case where your solar is already mixed into your main, upstream. Was hoping to see a demonstration on this section specifically!! thx
Yep me too, as we use in the UK cheap over night energy to top up or battery bank when solar is low.
8:40/Setting 14 -- So in my case, we don't get enough sun for PV (trees), so I'm going to charge from the grid off-peak when the cost is lower...
please for 4 gel battaries config?
Does the 5000es feed back into the grid if needed?
No
Could you please answer to this, if this unit could do it or if there is a better unit to this job:
"We dont want utility to charge the battery..."
I have a dilemma and looking for this setup below, if it is even possible to do...
So I want to build POC (if works I want to advertise it among people who can and want to spit out to be cheap in long run and possibly take part of green thinning) at my father or my friend first where we have Utility as backup and as backup in sense of charging as well. Night time electricity is cheap and depending on weather / autumn to spring it will be not possible to live off from PV and battery alone.
So here goes. From 0600 to 0000 I want to use SBU battery down to 10% (on bad days). Thats is simple to understand.
But on the night time from 0000 to 0600 I want to use battery down to 50%. And if the battery was below 50% I want Utility to charge it to 50% and use Utility up to 0600.
I guess it is like SBU with max 50% SOC with Utility charge enabled?
What this setup enables to do is to use solar and battery power on good days over 24h. And if there is not enough solar, you can precharge battery to the state where most probably you can last a day up to next charging cycle at the next night.
Yes I am in EU where the energy pricing is insane... But, I am willing to spit out some money for a fun project, which gives back in longer run.
Forgot to mention, that I never want or can support the grid from my panels.
SBU mode will not engage AC bypass and inverter will default
This is a 240v inverter. Most household loads are 120v how does this inverter handle split phase loads?
Hello, I have a problem when I switch the inverter to lithium, the red diode turns on and then the buzzer sounds. Help me set it up correctly
If you'd like to reach out to me at engagement@signaturesolar.com I can get you connected with the appropriate department!
Dear Sir, I have an off-grid system powered by growatt 5000es invertor. It has one lithium battery from Rosen solar which is 48v 100amph. Can you tell me why the invertor stops charging the battery even thou it is not 100% full. The charger always starts at 07.00 and stops charging at 08.45 . Before in winter it did not have a lot of load in the morning and had only the battery to charge. But now in summer I have two ceiling fans working from 07.00 to 19.00. Thanking you in advance Ray.
Hi Ray! If you'd like to call into our tech support at 903-441-2090 with your order number, we can take a look at your set up and assist in finding a solution to your problem!
I was watching a video of another user and he said that the 5000ES should not be connected to the grid for charging. Is this true?
It has setting to charge from the grid, so that can't be true. I have 3 5000ES and I charge from the grid.
SO our growatt is stuck on setting 230V, we cant seem to change it to 240V with setting 08. ANd even setting 08 says its only available in standby mode?? So we are stuck on 240 V and cant turn our Growatt into standby mode. Is there a fix to this??
Also with the setting 03 (AC input) (time stamp 3:00) we have a honda eu2200 generator which outputs 120V at 13.3 A. and the Generator has a Pure sign wave inverter, SO couldnt we connect to our AC input and power our loads? or charge the battery for that matter? The other option with the Honda generator we have is a 12V DC 8A output, So couldnt I buy a 12V to 48V setup up converter and charge the 48V battery directly???
@@railroadbill3556 If you are talking about the same 5000W Growatts as above, then you will need a generator that puts out 240VAC. These inverters are NOT split-phase, so there's no neutral. We get around that by getting a "Mid-Point Transformer that has 4 wires: Hot L1 (black), Hot L2 (red), Neutral (white), and earth Ground (green or bare). I just built my off-grid system, and used a double 50A breaker for my main switches. I wired the Mid-point Transformer into the main ground and neutral feeds in the box, then hooked up, [ from both inverters], both black, (L1), wires into the first 50A breaker, then both red, (L2), into the second 50A breaker. Then I used a second double 50A breaker set to run my RV's origional breaker box, while leaving the other free for future use. If you have the proper kind of breaker boxes, L1 and L2 should be on every other switch.
Just shut off the unit, then go into the setting and change the Voltage settings BEFORE it powers down completely. It is IN standby mode once you shut off the switch at the bottom of the unit, until the screen goes dark, which takes a while, so you should have time to make the adjustment. (This threw me at first also, but I downloaded the User Manual, and could reference it, as well as watching several videos on TH-cam on this subject.
@@LewisMoten No race needed...it takes a good while before it finishes turning off. ;)
My growatt inverter only charges with around 1000W ( 20A) when set to lithium but I'm using LiFePo4 51.2V 200Ah ( over 10000 Wh )and it take about 9 hour to fully charge from 10%to 100% but in my country electricity only come 6 hour/day and I need to charge quicker than that... Now I have to choose USE ( user defined setting) to charge with 3500-4000W ( 60A) to fully charge with that 6 hour/day grid supply
Can you please help me increase charging current if I set it to Li ( Lithium) ? I found no way to control charging speed when set to lithium mode
Btw ,I don't have solar panels too .. only relying on 6 hr/day grid supply to recharge and use the battery throughout the day when the grid went offline
The grid always come online for 3 hr after 9 hour offline .. so I have to refill the battery within 3 hour .. so only 3500W (60A) charge speed is best for me
How can i set my battery to start at night after day charging? Can you help me please?
Hi @valentin056 These are the settings, however if you would like to give us a call at 903-441-2090, we can get you connected with tech support to walk you through getting that set up to your needs!
Setting 1 will need to be SOL or SBU
Setting 12 will be 49V
Setting 13 will be 56V
Setting 21 will be 47V
hi dear, how to solve the error 02
Would it work a month or more with no grid power? I mean need grid to start up?
Not as long as you have sufficient solar panel array voltage... anything over 150V DC will start up these units, according to the manual. Max input Voltage, (and I am guessing that this is open-circuit Voltage), is 450V DC.
@@Tumbleweed5150 thanks....so a gas generator might do it?....because in case of no power for weeks (happened ones years ago because a huracaine) was wondering if this will really help just solar or betrer go with the bluetti ac300...0
@@angelsuniverse6021 Yes, as long as it puts out 220V AC power. I have seen some folks on here suggest getting a seperate battery charger instead of using the one in the Growatt, because of how much power the Growatt pulls from a generator. Still looking into that, so I can't say if that is a good idea or not. My 6500W generator is down right now.
@@Tumbleweed5150 thanks
I have a self made batterie from prismatic Lifepo4 + BMS. I use USER2 battery mode on a Growatt 5000ES. But it is SOOO difficult to know if I am in the 25% low 90% high limits I want to use of the battery. Voltage does not seems a good indicator of charge level.
Now I set a 55.4v bulk and 54v float. After charging when the battery is resting, I have a 3.35 volts maximum, sometimes a litle bit less (3.33-3.34).
I stop at 3.15 v.
Do you think I am in the 25-90% of the battery with these settings ?
sorry for my English. 3.35 is actually 90%, but 3.15 is 14% with LiFePo4 batteries. at 3.20 you will have 20%, at 3.225V for goals of 30%
@@aaaaaaaaaa5446 Thanks in fact I made some etsts and the values you gave are quite the same I get.
Hi . I have 16 pcs x 280AH LifePo4 EVE bateries and my JK BMS is not connect to my inverter. Can you help me with the settings of the inverter in this case? I was thinking to ho with USER2 on Program5
and also the settings on the BMS
We have problems that occur sometimes, when it is sunset the inverter charging keep switching between solar and grid for like 2 minutes keep peeping, until the solar panels can't detect light anymore then it will stop pepping , how can we fix this problem?
Hi! You can disabled setting 17 to stop the beeping!
We suggest that you try changing setting 1 to SBU and it should try to switch to battery before grid.
Ciao, posso chiederti che parametri settare l'inverter per farlo lavorare solo con i pannelli? La batteria non l'ho comprata ancora. Ti ringrazio
Avrai bisogno di 2 fonti di energia per utilizzare il fotovoltaico con questa unità.
@@SignatureSolar quali fonti di energia?
@@SignatureSolar pannelli fotovoltaici e rete publica?
o batterie, sì
@@SignatureSolar l'impostazione è SBU? Ti ringrazio
Hi! Sr. I would like if any body from Signature Solar can the same settings in Spanish, we the Latin people will appreciate. I’m from Puerto Rico and I’m very interesting in 5000ES inverter. Thank you for the help you can give us. Very good videos. 👍
A question about connecting 2 strings.
It’s marked as max 18A. How strict is that?
I was thinking to connect two strings with panels specified 11,2 isc/A 10,58 imp/A.
no problem exceeding the amps, the inverter will only utilize what it wants and track the IV curve accordingly
Doono if anyone will respond bu here is my question. I have 20% set in setting 12 and 10% in setting 21. The invereter ignores both and drivez the battery to 5% and enters error 4. Why does it ignore them?
Are you reffering to the Growatt 5000ES inverter?
@@SignatureSolar yes, isnt it the same as in your video?
Yes, I'd like to suggest a couple of adjustments that might help with the issues you're experiencing.
Firstly, please set Setting 12 to 25% and Setting 21 to 20%. Since your Setting 21 is currently at 10%, it's likely that your device isn't set up to BMS communicate. Adjusting these settings should help prevent low voltage points that can lead to the 04 error.
However, to provide more accurate assistance, if you would like to reach out to our tech support, you can reach them at 903-441-2090.
growatt not charging in the morning.. until i reboot the eg4 is that normal?
Please contact our tech support team. They can troubleshoot and diagnose what is happening here.
Is setting 50 to set the time you want your battery to kick in and supply your home or am I missing something here?
Is this the non bonded ground model
Yes
I called FedEx many times and not a single person that I talk to even works in the United States they were all either in the Philippines Central America or the Caribbean. I cannot get any support here in America for finding my packages which are stuck in Oregon somewhere I’m pissed off
What’s the voltage at 100%
58.4v for 48v system
ارجو منك ان تجعل ترجمة بلغة العربية
"we don't want the utility to charge the batteries" - why not charge the batteries if they're discharged... and then pass through? I'm confused about that.
Because where I live the utility is expensive and waste of money to recharge the batteries. When the sun comes up my batteries get charged from the solar panels for free.
BONJOUR MERCI POUR LES VIDÉOS TOP PAR CONTRE J'AI PAS TROUVÉ LA VIDÉO KI EXPLIQUE 2 onduler en parallèle programme 23 ONDULEUR GROWATT MOI J UN SOUCI QUAND CA PASSE A TRAVERS IL DISJONCTE SOUVENT MERCI CI VOUS POUVEZ MÈDE MERCI JAI DEUS ONDULEUR GROWATT 5000
Bonjour! Je m'excuse pour cette traduction. Si vous pouviez m'envoyer un e-mail à engagement@signaturesolar.com avec votre problème, je peux essayer de vous obtenir de l'aide. Il y a certainement une barrière linguistique ici, mais nous ferons de notre mieux pour vous apporter l'aide dont vous avez besoin !
Why don't you want the utility to charge the batteries?
Some people don’t want to pay for the utility to charge batteries, they are trying to save money with solar. Depends on your situation.
@@SignatureSolarI have 11.8kw solar and 4 GW 5k inverters and I already had a 22Kw Generac whole house generator with an Auto transfer switch. During an extended grid outage and lack of enough sun could I just switch program 14 from only solar to solar and utility to charge the battery with the generator (maybe 2 hours) then switch back program 14 to solar only to get me through the nights without having to run the generator all night.(Cost a fortune in natural gas to run the generator all night) ie: charge what I can with solar during the day and only run the generator when needed to supply the house and charge the batteries as needed by switching back and forth on program 14.
@@JamesLee-ey2yv i like that idea, and set up !!!
This guy has a very limited imagination about operation of inverter
@Signature Solar
Hello. My system consists of 2 Growatt SPF 5000 ES inverters, 8 Battleborn GC3 270 Ah batteries hooked up in a nominal 48V system. All cables are the same length. The solar arrays are 18 Trina 260W panels wired in series of nine for each Growatt for 2,340W per Growatt. (I realize this is underpowered, but I haven't the cash to get higher output panels at this time). Now that you have an idea of my system, here's the problem: I am only seeing the batteries get up to 54.4V, rather than the 57.6V under charging that Battleborns should get to. What changes can I make to let the batteries get up to the higher Voltage, so I know they are fully charged?
Current settings on both Growatt inverters
001 SBU, 002 100A, 003 UPS, 004 Dis, 005 US2, 006 Dis,007 Dis, 008 240V, 009 60 Hz, 010 4, 011 20A, 012 48V, 013 52.0V, 014 CSO, 015 OFF, 016 ON, 017 ON, 018 diS, 019 57.6V, 020 54.4V, 021 46.0V, 028 1, 037 to 042 [Current time and date], 043 diS, 044 58.4V, 045 60, 046 120, 047 30, 048 OFF, 049 0000, 050 0000. Help!
@ Signature Solar I really need to know!
Are the batteries link with bms cable? Why do you want to charge to 100% ? Your batteries will have a longer lifespan setting to around 90%. I would be happy with 54 volts.
@@waydeross I am going by what BattleBorn suggests. They call for 57.6VDC as 100% while Charging. I finally made it to that on June 3rd of 2022. BattleBorn sets the zero and 100 per cent in such a way so that the batteries never actually reach either, or so I've been led to believe. The settings i made on my Growatt 5000ES were the recommended ones by both Growatt, and BattleBorn. I called the latter to verify that this would give my batteries the longest life span possible. Also, in that direction, I will rarely be using over 50% discharge most days. I oversized my system for what I need to power to allow the system the most easy on it I can. Oh, and no, BattleBorn batteries don't have BMS cables to hook to a pc or the Growatt.