I recently installed an EG4 \ Megarevo 8KW hybrid inverter for an off grid customer. There doesn't seem to be any setting for the generator and it won't charge the batteries. I contacted Signature Solar and they claim there are settings for the generator in the inverter settings menu. There's none in the manual, and I'm not onsite to confirm that 100%. Is there anyone that has this inverter that could verify if there are settings for the generator in the menu? Maybe even someone that can verify that the generator input actually works.
EG4 Megarevo 8KW Hybrid Inverter Generator Input
- Thread starter defelker
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NCSolarGarage
13.2kW Off-Grid
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There are generator settings in the firmware since 8/23 release, it is menu item 16.
timselectric
If I can do it, you can do it.
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Is it an EG4 or Megarevo?
The firmware is probably different from one to the other. Find and download the correct manual.
The firmware is probably different from one to the other. Find and download the correct manual.
fromport
Solar Addict
Eg4 8000 watt == relabeled MegaRevo.
Absolutely same software.
timselectric
If I can do it, you can do it.
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Well, Good luck then.
SignatureSolarJames
Try Solar, the Grid will always take you back
well we developed the software in our shop for 6 months with them but sure, it's just a label...
fromport
Solar Addict
So there was no software before on the unit you got involved?
Or did you ask for enhancements and did they do the coding?
You make it sound like you have access to source code.
Do you?
That's interesting. I downloaded the manual from AmenSolar and it's almost identical to the EG4 manual. But the AmenSolar manual shows the generator settings.
The firmware in this EG4 unit is ARM V1.03.12 and DSP V2.04.12. There's no menu item 16.
NCSolarGarage
13.2kW Off-Grid
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I believe that is the 8/3 firmware and generator was 8/23
Signature Solar told me there was not a newer firmware upgrade available. My best guess is that the EG4 firmware and the Megarevo are identical, or at least interchangeable. Thanks for checking the firmware information.
Bro you guys are just a distributor of Chinese products that anyone can purchase on alibaba and made in china. Your batteries are made by zetara power, your 3kw inverter and your 48v mppt is made by blue sun and the of your inverters are made by azimuth.
You do nothing special. I’ve seen your first purchases from zetara power for your batteries that you had shipped sea fright to your own name.
Anyone can contact these companies and purchase for 60 percent cheaper. all the companies will do custom graphics/ labels for a purchase of 50 or more and custom coding for larger purchases. Your eg4 software is the exact same as all the rest with a just a simple packet code for identification difference.
Don’t act like you guys actually write code and manufacture anything.
I give it to you thought. You built a profitable business by just sitting on your phone/computer and ordering stuff from china. Getting it shipped to you and reselling it.
The same thing Renogy does. They get their stuff from SRNE, Pylontech, ext.,
Aims power from gets all there inverters from Yiyen power.
Anyone can search sea fright and see James getting his first battery shipment in his own name. That was until he then got it shipped to his business name Sig Solar. I just don’t get why you act like EG4 is a different company. I haven’t checked in a while but have you realized the way you’re suppose to do it is get a shipping forwarder in china so people can’t track her you get your products?
SignatureSolarJames
Try Solar, the Grid will always take you back
Hello. 80 % of this is false; we havent even paid most of the names ever.. there is no doubt we import though. go ahead and guess why firmware maintenance here is a full-time job though.
You can come to our lab here and tell 50 technicians and engineers they do nothing special if you would like.
Alibaba is as Alibaba does though...
EG4 is different legally and is entering other distribution. we are not trying to hog all the business for Signature Solar
fromport
Solar Addict
So you have 50 people working full time on firmware and there has been no release since october 2022 ?
NCSolarGarage
13.2kW Off-Grid
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I don't really care who creates/updates firmware, tbh. I almost feel like the community could really add some good feedback if it was a more transparent process, however. Firmware number is useless, and there is no official change log that I've found. Also, some newer versions with generator seem to have broken parallel max output, for example. And luckily, I don't have to deal with grid-tie issues.
fromport
Solar Addict
I agree. I am pretty sure SS does not have access to the source code, even though they suggest so. Pretty sure all software development is in .CN. SS basically makes suggestions of what needs to be changed/altered and the request is send to MR and they received personalized firmware updates.
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What would be immensely useful to your customers is a change log associated with that software/firmware development process. Can you provide a timeline for this or indicate that it's not something that you guys are willing to do? We have independent efforts here to try to "guess" at firmware changes.
I asked if firmware could be loaded pre-shipping on a recent order and I was told "no" that receiving is completely separate from sale/tech support - they go out the door however they go out the door. I tried to get a handle on the current status of N/G bonds on newer inverters - couldn't get that either. Let me know if this is correct.
I get growing pains and do appreciate that you reply to customers here, but be transparent about what's going on and associated limitations.
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I can't imagine a company that deals with firmware changes that does not have a changelog. That simply makes no sense. It's not a problem with the "industry" - it's a problem in this case for reasons not disclosed. Maybe it's a change they'll make? It's HIGHLY confusing when they are shipping products with undisclosed hardware changes (such as bond screws) and multiple firmware versions depending on use case, not referenced in the manual. They are doing a good job with YouTube videos, but that stuff has to be found through you guys.
I have a Frontius inverter, quick search shows firmware changelogs. Hell, they can push them to my inverter remotely. But these inverters cost a lot more.
Markus_EG4
I am from Germany. Don't mean to come off rude
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Markus_EG4
I am from Germany. Don't mean to come off rude
You are being heard. It’s coming soon. Just remember we are not fronious we do not make our own inverters in house. We do not make our own firmware in house. We test the firmware sent to us to fix issues customers are having. This is a long process and a lot of firmware doesn’t make it to the customer because of it failed in testing.
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Haylmore Creek
New Member
I've recently done the latest firmware update for the generator auto-start function and the menu now shows the generator option on my megarevo 8kw inverter. The problem I'm having is the function uses the battery state of charge to operate the generator but my SOC is showing 0% and S0H is 100%. I'm using 250Ah Agm batteries. The inverter doesn't seem to be calculating the SOC of the batteries. I don't have a BMS but I thought that was for Lithium Batteries only. Does anyone have any suggestions for getting the SOC to calculate?
If any of you have had any success in getting Megarevo's assistance in working out the non-working Zero Export capability please refer me to your contact there. I have tried all firmware version and all allowable combinations that are supposed to enable the zero export capability, but none of them works. The latest one has been running for the past week in advanced mode, but still it has exported to the grid over 8kwh. I contacted Megarevo's technical assistance last week, and about a day later got a WhatsApp message from them asking for the wifi dongle serial number. I replied a few hours later, giving Megarevo all information requested and even presenting photos and graphical data of the grid feedback.
Succinctly put, Megarevo never followed up on my request for help. This past Monday I got a call from a "Sales Director" from Megarevo named "Lavier" that happened to be in Puerto Rico looking for business opportunities. He said that he had received my lead from the technical line personnel. We met for close to 3 hours, and I shared much information on the Puerto Rico market. Ha represented that the techincal assistance personnel was working on the situation I presented. Since no response from the technical personnel was received, I contacted the "Sales Director" and he pointed out that he would follow up on them.
Earlier today, I sent the technical personnel a message that went unanswered and then contacted the "Sales Director". To my surprise, he advised that Megarevo would not honor the warranty of their manufactured inverters if they had not been purchased directly from them. In response to the exporting issue, he advised that whoever does not want to export to the grid should purchase an off-grid inverter. He went on and pointed out that Megarevo is certified by the local utility company, and then I advised that I would inform the local utility and the local Energy Commission of Megarevo's refusal to support their manufactured products on a clearly warrantied issue, and that Megarevo's refusal to warrant its products could result in their decertification. I advised that under the products liability laws all entities involved in the distribution chain from the manufacturer down was liable for the warranty, yet the "Sales Director" reiterated Megarevo's stance and refused to text with me anymore as he claimed that I was "scaring" him.
This is a most unfortunate situation, as until today, and excepting the non-working zero export function, I could only say good things about this inverter. I have been testing it under loads exceeding 8kw, even subjecting it to unbalanced inductive loads and it has performed better than expected.
Unless Megarevo comes clean, I will proceed and distribute inverters from manufacturers that are responsible and back their products. Too bad, since they were coming up with a split phase low voltage 12kw unit in September -at least that is what the "Sales Director" informed during our lengthy meeting-.
Succinctly put, Megarevo never followed up on my request for help. This past Monday I got a call from a "Sales Director" from Megarevo named "Lavier" that happened to be in Puerto Rico looking for business opportunities. He said that he had received my lead from the technical line personnel. We met for close to 3 hours, and I shared much information on the Puerto Rico market. Ha represented that the techincal assistance personnel was working on the situation I presented. Since no response from the technical personnel was received, I contacted the "Sales Director" and he pointed out that he would follow up on them.
Earlier today, I sent the technical personnel a message that went unanswered and then contacted the "Sales Director". To my surprise, he advised that Megarevo would not honor the warranty of their manufactured inverters if they had not been purchased directly from them. In response to the exporting issue, he advised that whoever does not want to export to the grid should purchase an off-grid inverter. He went on and pointed out that Megarevo is certified by the local utility company, and then I advised that I would inform the local utility and the local Energy Commission of Megarevo's refusal to support their manufactured products on a clearly warrantied issue, and that Megarevo's refusal to warrant its products could result in their decertification. I advised that under the products liability laws all entities involved in the distribution chain from the manufacturer down was liable for the warranty, yet the "Sales Director" reiterated Megarevo's stance and refused to text with me anymore as he claimed that I was "scaring" him.
This is a most unfortunate situation, as until today, and excepting the non-working zero export function, I could only say good things about this inverter. I have been testing it under loads exceeding 8kw, even subjecting it to unbalanced inductive loads and it has performed better than expected.
Unless Megarevo comes clean, I will proceed and distribute inverters from manufacturers that are responsible and back their products. Too bad, since they were coming up with a split phase low voltage 12kw unit in September -at least that is what the "Sales Director" informed during our lengthy meeting-.
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