I was wrong about Sol Ark 15K versus EG4 18KPV
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- เผยแพร่เมื่อ 1 มิ.ย. 2024
- This video clears up some misinformation I released on a previous video comparing the EG4 18KPV and the Sol-Ark 15K solar inverters.
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Great comparison. I would also pay attention to amperage.
Sol-Ark MPPTs are full sized, not irregular amperage. This means greater design flexibility on the roof and not pushing to the limit for those larger PV arrays. You could call that max PV size conservatively specified as that line item isn't part of the UL certification.
The Sol-Ark battery charger is also more powerful, which makes a big difference when wanting to use the inverter at maximum 12kW capacity throughout its life.
Finally, there are a few features that might be considered a tie on the whiteboard.
The winner of the tie should be the company that innovated the feature, not the one that copied it.
Thank you for the information and for watching the channel! I am flattered to have you commenting on my videos. I would love to do a deeper dive into more of your products in the future.
Thank you for breaking down the comparisons between these two units. I personally think this is great information for anyone who's been debating or battling the decision to make between these two units. Keep up the great content!
Glad it was helpful. Thanks so much for watching!
Thanks for clearing up the misinformation.
Thank you for watching!
Respect. Thanks for clearing this up for us!
@aaronrunkle Thanks for watching!
The inverter is the heart of your system, Sol-Ark cost more best is has proven itself in the industrial market and is well made. I had nothing but nightmares with 3 Growatt 5000es and Signature Solar did not help. I used to wake up at night to make sure they didn't kick off and I had to restart them. Now with the Sol-Ark 15K running the while house including a 5 ton heat pump, I have had nothing but peace of mind. The customer support is top notch and they have moved their monitoring servers to the U.S.
I hear you 100%. Having reliable tech support is worth it's weight in gold. Thanks for watching!
Can you discuss how the gen and ac coupling work. When I called signature solar their tech support was both unable to answer the question and then when he tried he got it wrong.
Nice overview and thanks for correcting previous info. That's a righteous thing otherwise, bad info piles up.. Hey, so one thing I'm always interested in is where the company is based and also where it's manufactured. I know, I can look it up but I think it's important in a side by side comparison. And besides employing my 'neighbors', it also may have warranty implications. I always prefer to buy American, except for an occasional Honda motorcycle... Thanks for your efforts! N
I am pretty sure that both inverters are manufactured in China, although both Sol-Ark and EG4 are U.S. based companies with R&D/tech support in the United States. Thanks for watching!
Thank you. Well done.
@surfcow Thanks for watching!
EG4 is made by Luxpower. They have been in business since 2017.
Absolutely agree, but EG4 has not been around that long. If something goes wrong with your equipment, you aren't going to be calling Luxpower, you will be dealing with EG4. Thanks for watching!
Luxpower isn't even a manufacturer. Only a Chinese R+D firm according to their head of Americas Eddie.
I have a question about the 200 amp bypass for the grid connection for these inverters. With grid on, and the loads are exceeding the inverter output capacity, will the grid assist in powering the loads to prevent an inverter over current shutdown situation? TIA!
Absolutely. With the grid connected, any consumption in the home that is not provided by the solar or batteries will draw from the grid, through that 200A bypass. Only when there is a utility outage or when the home is off-grid will it be limited by the PV/battery output power. Thanks for watching!
@@RockyBroadSolarLLC In fact Sol-Ark is responsible for bringing this internal grid pass through feature to market (which eliminates the need for an AC combiner panel). Per their head of Americas, Luxpower is a Chinese R+D company (not a manufacturer). They sure did help themselves to our innovative design but even Tesla is following Sol-Ark into transformerless hybrid inverters. Regardless, Sol-Ark has the most field experience with transformerless hybrids in the USA market, including offgrid.
Do you have a source for the 20,400 watt peak for the 18kpv, I can't find a source for that and having an official source for that would make permits much easier for a project I'm working on.
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Hi @Glennmcgurrin8397. I received this information via email response when reaching out to EG4 tech support before I created my initial video. I was also not able to find it on the datasheet, which was concerning. Every other inverter manufacturer that I am aware of lists the peak output power in 10 sec intervals on the datasheet other than EG4.
True, hopefully they will be around for a long time. They seem to have lots of sales.
We can keep our fingers crossed. Thanks for watching!
It would be good to look into the leg imbalance on the Sol-Ark. I know the EG4 can do 8,000 watts on one leg. and can hold 14 kilowatts for 10 minutes
The max off-grid output of a single leg is around 7.8-7.9kW for the 15k (unless they updated it in a firmware update recently)
Looks like @niktak1114 has you covered. Thanks for watching!
MAJOR PLUS for EG4 is that in can be installed right on top of the cable trough, because it does not have a requirement for any space at the bottom like the 6" for the Ark-Sol.
Good call out. I always thought the trough could have been made to look a little more sleek, but it sure does make things easy! Thanks for watching!
Also, doesn’t Solark have an EMP-hardened inverter, too?
@andrewyang1446 They sure do. I cover it in my original video th-cam.com/video/1ZVwVkV19N8/w-d-xo.html
@@RockyBroadSolarLLC Thank you!
I'm glad Sol-Ark has dropped the made in USA advertising. Also, I've seen too many vids of the Sol-Ark inverter being underpowered. I do like Will Prowse (sp) recent video of the EG4 12k showing the inverter able to start 4 compressors and a car lift without tripping the inverter. I'd love to see if the Sol-Ark 15k can do that. Also, pricing is a huge deal. Lastly, the ferrite filters they add to the panels as an EMP protectant I would have a hard time relying on. I would go with EMP Shield's products, it's much less expensive that paying to EMP hardening the Sol-Ark inverter and you can get all the proper protection for less cost, ie protection from the grid, the solar array and the battery.
All great points. Sometime in the future I hope to be conducting more hands on videos with actual equipment, but it doesn't come cheap. Thanks for watching!
Good video, you know your stuff. Please put down the pointer when you talk bro!
Noted! Thank you for watching!
Luxpower Company have been in business since 2017. 18kpv max peak power is 24kw. max continues power output with solar (18kw) 12kw ac output plus 6kw charging power of the battery.
Hi @GILBERTVILORIA-hf3oe thanks for watching the channel. The 20,400 watt "peak output power (10 sec)" is not listed on the datasheet. For some reason EG4 lists their peak output power in minutes, which is not the industry standard. The "max continuous power" only refers to the AC ouput, which is 12,000 watts only. I believe you are referring to the "Max Utilized Solar Power" when combining the AC and DC power together. It is really difficult trying to compare apples to apples in these videos when none of the manufacturers use the same specs. I wish there was just one standard for the entire industry!
Unfortunately this data is still incorrect. The max usable PV of the 15k is 18kW (with batteries). Without batteries it's only 15kW like your whiteboard shows. The maximum continuous inverter output without PV is also not a fixed 12kW. The maximum DC discharge rate is 275A and the output is based on that. So lets say the batteries are currently at 52V, after inverter losses it'll be able to output around 13.5kW. The 18kPV has a 250A max battery discharge rate so the maximum inverter output ends up being around 9-10% less than the 15k at a given battery voltage.
Well thanks for the info and for watching the video!
wholesale sol-ark cost $5500
Good to know. I just based the price comparison on the standard pricing found online. Thanks for watching the channel!
Gotta tell you that this video is pretty much a waste of time. A bunch of numbers written on a white board. Then a price comparison. Absolutely of no value to a site that wants to set up a battery backed grid tied hybrid system. But you keep click fishing.
Well thanks anyways for the comment. It really helps the algorithm!
@@RockyBroadSolarLLC Well, I gave your video a chance, watched it, determined it was a waste of time with no technical value and chose not to subscribe to your channel. That should be your real concern, you are making poorly crafted videos. Step it up man!
Okay , these are the comparisons numbers for now , could change!
The future is uncertain!
Sol Ark hay a better tech support. EG4 has a terrible tech support. I have experienced this.
Good to know. I appreciate the comment!