The Yixiang DIY Battery Box on the testbench. Does it tick all the boxes?
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- เผยแพร่เมื่อ 16 มิ.ย. 2024
- This was too good to say no to! The Yixiang DIY battery box seems to have all the features we ever wanted from such a case. It has the 200A JK inverter BMS with 4.3" display and communication, a DC breaker, double terminals, side handles, can be equipped with rollers and is stackable with up to 5 boxes!
Also, the inside seems to be well designed and does not leave any further desires: middle frame for strong compression plate, closed backwall to support the cells, front panel and BMS can be removed without unplugging any cables.
Overall, this seems to be THE perfect battery case.
Update:
- In regard to the issues with the rollers and broken cardboard box, Yixiang will improve the packaging for customers who order the rollers as well.
- Apparently the circuit breaker has a 275A trip current for BOTH breakers in parallel. I cannot verify that and still think the voltage is too low as well.
- Yixiang recommends stacking only 2 boxes if the rollers are being used (4 is possible though)
- Yixiang will ensure all connections are tightened and checked
Yixiang Battery DIY Box:
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The new battery box standard has found you, you have embraced it and shown it to the world,
and now it will become the benchmark against which other battery boxes will be compared.
This one looks very well designed and built. I will bet the competition is having some extra meetings this week.
Hello, Andy, thank you for your comments and support. We will continue to work hard to make the best products for everyone.
Reading the comments, it sounds like you will sell a lot of these boxes. I wonder if I could sell these in Texas? People do like to get things quicker than several weeks. How could I do something like this?
@@PersonalStash420 Hello, thank you, we are considering building a warehouse in the United States
We need your products at a good price in Zambia, we have a bad loading shedding due to the droughts
@yixiangbattery please consider giving us your pricing for various types of boxes you sell. Would also like to have pricing of cells.
I am building Batteries for sale in Africa
Do you make them without a screen?
Andy i wouldn't worry about the voltage specs. The primary use is switch, not circuit breaker, because the BMS takes care of any overcurrent. As a professional industrial automation guy i would prefer a more sophisticated overcurrent protection, but this configuration works as well.
50mm² is good for 200A continous current, if the leads are 1,5m long and it's ok for 275A trip current. It could be thicker, but all in all nothing wrong with that.
And yes, the box really seems to be of outstanding quality, not only regarding the design, but also the manufacturing. All screws accessible, beefy metal sheets, middle rail, nice busbars etc. That's really impressive.
Hi mate. You have done so much and so many reviews, saving us from blowing ourselves many times and finding lots of things we wouldn’t.
I know it’s a huge ask but is there any chance that, when you have no build or test going on, that you do a “last two years” summary video. It’s like “I got a XYZ BMS and after 10 months of to and fro it’s a good but not great product and I would/wouldn’t recommend it”. You have so many thibgs that you would have no issue filling a video or two with info.
OK, sure, thanks for the feedback and suggestion.
We need sellers like this with US warehouses to cut down shipping costs/delays.
Well done Andy - very impressive, having just built my own diy box I know how much work goes into optimising every small detail down to the last nut and bolt ITS A LOT OF WORK TOOK ME A MONTH and Im ok but not at that level of elegance. $550 inc shipping by sea 2 months to uk but If you are building a 24/48v 280Ah rig to last 10 years plus dont skimp on quality I guess. Looks very easy to maintain. A new gold standard IMHO
very good comments below - BUT - several are talking about installing these in a closet (eg its like a home powerwall and there plenty info on those and potential risks warns against indoor installation) If it goes badly wrong you burn your house down - surely not insurable today. Wouldnt like to see these in appartment blocks where a penthouse dweller decides to use his roof space for solar. In OZ surely regs wouldnt allow it, but in other countries - would present a risk to other appartment dwellers. I read that putting gear in an attic void space is no longer allowed
I really like this DIY box and it seems to meet our expectation in all details.
People need to read and understand local regulations. I have seen videos, where people installed batteries under the staircases, just because there is unused room.
Hi,
The box have defective PCBs, you have to use washers otherwise you will burn the bms
We have fixed this problem, and Andy received a box that had been fixed.
I've got some emails form people pointing this out. I'll check out the PCBs and make a short follow up video.
@@OffGridGarageAustralia I've already done some research, this topic has been going on for over a month, I've already made a project for the printer :)
You probably also received this information from the seller, everyone was told not to screw in one of the screws.
However, there are more screws that create a short circuit.
@@ParagonDIY Thanks for the info. I'll investigate...
@@YIXIANGBATTERY Why do you advertise it is for 24 volt systems as well when it isnt?
Pre-Assembled as it came really cuts down on the confusion of where wiring harness's would go...that's cool...! =)
WOW! At last a DIY box that looks very well built! and with the screws aligned... 🙂
It looks that is has everything. Thanks Andy for showing this option as well. 👍
Our vertical JK battery box and stackable JK battery box will be shown to you through Andy's video soon, I hope you will like it.
Yes, I have the EEL box here already. Coming up soon.
I have 4 older models from this manufacturer that were designed for the JBD BMS. Mod'ed all of them for the 4.3" JK Display and installed JK_PB2A16S20P's in them. Built like tanks, just was a bit too early of an adopter. Only yesterday did I discover this new case, was and still am going to order 4 more. Oh well, that's just how this, ever evolving game works. You buy now and tomorrow there is something better. But I do highly recommend them, great customer support.
Hello, thank you. If you need our boxes, you can contact me at any time.
@@YIXIANGBATTERY - Hello! Do you make cases for 105ah? )
@@serg9176 Hello, sorry, we don't have this model of box yet.
@@YIXIANGBATTERY - Can you sell separately only the front panel complete with all cables?
@@serg9176 Sorry, the front panel is not available for sale separately.
I have dealt with this company numerous occasions, very good quality
Look like the new standard. My one just bought a month ago, look almost same, what is in is same, only the batterie connection is different. Very nice what they sell now. Its getting more and more easy for people who dont want dig too deep inside the build.
Yes, I think so too, these DIY boxes are becoming close to perfect and there is not much point building your own case anymore unless you have all the material and a metal workshop.
To me it looks like this company is watching Andy's videos and learning.
And, if so, that's indeed a good thing! :D
@@JFK666666 Totally Agree.
I think it’s a lot better than the one I just bought. I purchased a box with a JK 200 amp BMS and it’s been a nightmare. Yes this is my first dyi installation but they could have made it a lot easier. First the 3 inch LCD was cracked and unusable second no matter what I did I couldn’t get any voltage to the external terminals. Building it was the easy part setting it up to work impossible. My mistake was not knowing the BMS that I was getting. I suppose there is a chance I damaged it when installing but everything except the SOC LEDS and no power out. Great job Andy.
.. and stacking is officially allowed, so they qualify for the tower of power.
Yes, correct.
It is 1am Andy, you always gives me a reason to stay late. Good god this is "something different".
1am, jeez where do you live? Hawaii?
Nicely done DIY case 😊
Yes, they are.
"Go sell crazy somewhere else, we're all full-up around here"
~ Jack Nicholson - As Good As it Gets
Great movie. I like the part where he complains about having to go buy a suit while the restaurant says nothing about his date showing up in a "common house dress", rofl. And almost nobody notices that Johnny Depp is the gay model.
@@PersonalStash420 Uh, not Depp. Seen that movie MANY times over several relationships since the 90's. That ain't him.
Another excellent video technical review. I'm nota candidate for this beast but yes it's construction n materials are impressive.
Moin Andy. Just ordered this kit. And had a nice conversation with Maio xin Tie. She even said that she had been in contact with you. I can't wait for everything to come in. And the real work begins.I am still discussing the MB30 or MB31 with EVE regarding the EU warehouse and the price difference. there is one in Germany. All in all, you are the inspiration and clear explainer of these systems. so I am now finally going to install such a system for my self. Don't worry I have a little experience with voltage and current. Thank you for all the great content.
Looks like a keeper.
I like those heavy duty castors too 👍🏼
I would call the a "BB" a Beginners box. I think this is what I am looking for, now to look at pricing for this.. I think this might be the box I start my journey with..
5:40 - "this is what I like to see in all these boxes regarding compression plates!"
Any had become a convinced compression guy compared to the videos from 2 years ago.
I guess that's since he read the specs for the latest EVE cells where it's spelled out in some detail.
I'm still not convinced that six nuts tightened to 0.5 newton metres provides 300kg of pressure though 🤔
Thanks Andy
He He, at last we're finally getting there! For now, certainly 🐸🐸🐸🐸
I am still waiting for the EEL vertical diy JK BMS Box test 😉
Thank you for your support! Our vertical JK battery box and stackable JK battery box will be shown to you through Andy's video soon, I hope you will like it.
Noi dall Italia, attendiamo ancora un rimborso da parte di EEL , pazzesco@@CNEEL-BATTERY
@@designbyt.c.4097 Tu stesso hai trasferito la rimessa sul conto sbagliato e ora i soldi sono stati restituiti sul tuo conto continui a commentare ovunque che non ti abbiamo rimborsato. Non pensi che sia ridicolo?
@@designbyt.c.4097 Ti addebitiamo una commissione di elaborazione? La transazione non è completata e la banca addebita ancora le commissioni. Non dovresti chiederlo alla banca?
@@CNEEL-BATTERY i soldi sono stati depositati , sul conto comunicato dalla signora Rebecca , sono stati restituti, con 120€ , in meno , e tutto documentato, da foto , video e screenshot, e da 4 persone!!!
thank Andy❤
Looks like my EEL box, even with the extra connector on the balance boards. On the plastic isolators and foam ... I put the foam on the isolators and it works great. I like the bended buss bars better then the cables too.
I've got the EEL box here as well, review incoming!
So far I like the first look quality.
Yes, it looks really good.
Nice one!
When are you going to test Stewart’s DiyBMS? I am working on a 4S diy case for the LF280/LF304 batteries with the individual cell modules.
Did someone ever make actual 4U 19" cases with rails? A good serverrack can hold close to a tonne (1000kg). So one 42" Rack filled with batteries can hold about 135kWh battery cells. Nice and efficient.
Rack rails are difficult, that’s probably reason why they don’t provide them.
Heya, oke someone has bean listening nice. the braker seems to connect ( battery side) only to 1 contact and the side that goes to the external contact with 2 contact points for the rest it looks very nice inside yes. can't wait till you get new batteries for testing and bilding this DIY battery case
Hello again Andy,
Great work on that DIY review I am close to pushing the button on batts and the box.
One small question you are the off grid guru yes, but is the DIY box and batts ok for an on grid situation here in WA or anywhere in Sunny Australia? Regards K.
823 views, so 23 people watched it again:) for this nice battery box with the JK bms.
Hahaha, could call😅
At 9:05, I wonder Andy if they Are they using the dual pole breaker contacts in parallel to double the Interrupting current capacity of from 7,500 amps to 15,000 amps to meet the potential short-circuit inrush current potential of the battery which may be at least 10,000amps? My thought as to the 550A overload trip current possibly being too high for the design might not be major issue, as it is in sires with the BMS that provides some level of overload protection, and the breaker is serving mostly as short-circuit protection device, and as you suggest serves more as an 'On-Off' switch.
As for the sizing of the conductors going from the BMS to the breaker and out to the terminals being undersized for 550A continuous current, again you have the BMS to limit current and the breaker appears to be function as short-circuit protection, and limiting the size of the conductors to the intended max current of the BMS, may help in reducing potential short-circuit current giving the breaker a better chance to interrupt a short circuit without damage or failure to the breaker itself or the BMS.
As for the the breaker line-load connections, and the circuit being bi-directional, from what I recall about Circuit Breaker design, current direction may have more to do with meeting short-circuit current interruption rating and the design of the contacts being able to meet spec in one direction more so in the other, and in the case of charging you also have the BMS and the undersized conductors that might may limit maximum possible short-circuit charging current to less than the breaker's designed ICU.
The way they used this breaker is NOT ok. You cannot "stack" Ics values as it will be a lottery as to where the bulk of your current goes when in parallel. Even a tiny amount of resistance difference between the poles makes a huge difference in current carried. Next to that, with DC-breakers, the directionality has to do with arc suppression. It says on the label "mount vertical" which is because of the suppression chamber being in the correct orientation. As this one is mounted, only when charging, or with a short INSIDE the battery in a multiple battery system, will the arc be quenched in a correct way. When the short is outside of the battery; better not to have any body parts in close proximity. This also answers the question af another poster here about being able to mount this box on it's rear.
By the way, kudo's for the CN manufacturer for labeling this breaker with relevant information. Many leave lots do be desired.
In short: opening DC-currents is a very tricky business, and this one has gotten it wrong. The only way to use this box safely is to have a correct T-class or NH fuse in close proximity to the connection.
The dual breaker is actually 2 110 amp breakers in parallel.
Ideally you only need a breaker that is 120% of your max inverter current.
Also if you are using multiple battery boxes each battery box breaker can be a much lower current rating.
On small DC breakers you have only one direction where the arcs are distinguished (Funken lösch Kammer). DC should break plus and minus pole. (1x 275A breaks both poles). Charging is only 50A, discharging can go to 10kA when the inverter would have a short circuit.
I cannot find any specs for this breaker, so don't know if it is really a bidirectional.
@@OffGridGarageAustralia if there is a diagram (which is even on my chinese “heschen” brand) than it is the only allowed direction. Those fat breakers are usually bi-directional, the small “AC sized” DC breakers mainly uni-directional.
There is a german channel “Elektronik EXTREM” in which he tests those breakers with 1000A and 1000V and dissassembles them and shows the arc distinguishing room(s)
Yixiang translates to "Always" in Chinese. 😅
Does it? Interesting and could mean everything. Always good. Always late. ...
@@OffGridGarageAustralia Andy - you "Always" crack me up...
This truly looks awsome!
Any idea if it's possible to order the kit, *without* the JK Inverter BMS (in case one has one or two laying around from earlier... ;) ) ?
But support-wise - representatives from the producers seems to even read and reply to comments here - that's a game-changer, in my eyes!
Be interesting if you could fit a 4 pole bi-directional breaker, like the ones I use, they seem like a nice box, be interesting to know how much distance above the battery to the lid to lay a 10mm Perspex sheet to allow additional monitoring gear
If you install a larger MCCB with high breaking capacity, it may not fit into this case without a lot of modification in terms of cable connections. I would suggest making a new front plate in this case and re-arrange the components to make it work.
@@OffGridGarageAustralia Andy would be nice if I could easily make a front plate, but hours of work on filing and drilling the output panel of the inverter, would be nice to have a smaller metal plate with the holes already done with about a 15mm larger border so one can just drill a couple of holes to mount it
You sure about that cable rating Andy...All the 50mm flex cable I can see from UK suppliers is rated at 345 amps
I am an electronics engineer without solar. I would definitely consider buying that battery box when I go solar.
Good to hear as I am also considering this box. Do you see any problem installing this box vertically? That's the only way it will fit in a small closet.
@@PersonalStash420 it seems to be stronger than the EEL-boxes for vertical use - compression is possible. I built 2 eel-boxes (horizontal) and added the 4.3" screens separately. Necessary for me because they need an insulated box - hard to have a look at the screen then ......
For my understanding this box is excellent because nearly everything preinstalled! Especially when you do not need the insulation....
Have to check the price ...
@@mandimandi2523 Our vertical JK battery box and horizontal JK battery box will be shown to you through Andy's video soon, I hope you will like it.
@@CNEEL-BATTERY Great! I will be looking forward to it. Thank-you. 😀
Be careful when ordering. There was an additional fee that I didn't agree to after submitted my payment. In other words, they tacked it on after I clicked the pay button.
I think you mean the fee raised by Alibaba? If not, be more specific.
@@OffGridGarageAustralia no. not the fee. I also got several different quotes for the same box, ranging from 400-500 plus fees and shipping which were all different. The best price was using your link and not speaking to anyone. That ended up being $589 plus the mystery after-charge which they call "SPREAD_DEBIT
yixiangnewenergy
$17.63". Again, this showed up after I clicked pay. Not a lot, but not cool. Also, quotes for shipping varied wildly. All to the same address. I'm sure the product is fine, I just don't like inconsistent pricing from sellers on Alibaba.
@@OffGridGarageAustralia
Here's the order lest you think I'm lying. The charge in question is the SPREAD DEBIT fee. This was not part of the original invoice terms which I agreed to. They added this fee without including it in the total.
I don't care for that.
Purchase details
YIXIANG Customized 16pcs 48V 280Ah 304Ah With JK 200A BMS Empty Diy Kit Box Lifepo4 Solar Energy Storage Battery
yixiangnewenergy
$429.00
SPREAD_DEBIT
yixiangnewenergy
$17.63
Amount
$446.63
Shipping
$120.77
Tax
$39.69
Total
$607.09
I think I saw a middle screw hole on that middle medal separator for the compression plate to screw to ... or did I imagine seeing it at 12:21
Andy nice looking battery box and review. I noticed that the negative and positive terminals on the front panel were on the opposite side from most rack mount batteries that I have seen. I noticed when you were loading the cells on the right side of the box that you were putting them in the box with the most positive terminal to the outside of the box. The BMS positive busbar looks like it was designed to connect to the front cell inside terminal on the right side. Also, if each breaker pole is rated for 275 A couldn't you just use one pole of the breaker to reduce the over current rating of the breaker by removing the paralleling bus bar on the battery side of the breaker to split the poles?
The 275A applies to the pair, see also the description.
Pretty Interesting Box Andy,
One question in mind, Can the Box stand 'Vertically' ?
I mean can you he rollers be mounted to the smaller Back ? And not the Base ?
Cheers mate
At this stage I would say, it can. The frame has plenty of strength to cary the cells in a vertical way.
hi Andy
Just wondering if you have done a assembly video on the horizontal EEL Diy battery kit , there doesn't seem to be any test results on your website only the vertical EEL kit ?
I had ordered a vertical EEL box and want to combine it with the horizontal boxes. I think, there will be problems with the different seplos BMS. But I will see.
Looks better than most, but it would have been perfect if it had bottom and side cell protection. A few layers of Kapton tape would probably suffice in place of G10 or Formica sheets.
side protection would be also essential! if not and the box would be too small then they have to make a wider one .....
Has JK fixed that issue with the setting defaulting when it’s powered down for a few days?
Dear Andy, i think the DC breakers are doubled, because they are each opposite.
I cannot see or verify that.
YIXIANG advertise stating it is for 24 volt systems also but they don't have 24 volt DIY boxes. And as far as i can see the JK Inverter BMS JK-PB2A16S-20P (same as they put in) with breakout box i bought won't fit in an empty shell box. They do not have 24 volt pcb's so in fact it is only for 48 volt. Complete box with all included except cells delivered to the Netherlands for 538 US Dollars. Empty box with nothing still 220 US Dollars. Bummer!
Hi Andy, when will you test the EEL JK kit ? Ticks all the boxes too don't you think ?
Coming up next...
Hi Andy I'm not sure about that box but you have to watch out because I found two thing from overseas that use black as a +& a red as a -
Andy what Chinese solar inverter do you recommend most.because I intend buying one for myself
I don't know, I never tested any of the many brands. It all depends on your project and system design which one will fit your needs. At the end, they are all coming from China.
Hey Andy, can you say if those double-holed busbars fit with the old single-screw terminals on the old cells, too? I already own 16 cells in my old wooden case and want to put them into this box...
That is one sexy DIY box ❤️
They also have bare boxes without BMS. I can feel my credit card heating up...
@@davidpenfold Hello, yes, we have empty shells for sale.
Yeah, they have the options to buy complete or just the bare box.
Hi Andy, respect for your topics, I am now also ready to build a 15KwH battery box. I live in the Netherlands, batteries from EVE mb31 and the JK BMS is no problem and can be ordered via NKON. But this battery box is difficult to obtain in Europe, which is very strange to me, just with impossible delivery times and extreme shipping costs. If anyone has a tip on how to obtain this cheaply in the Netherlands, I would be very grateful and so would many Dutch people. Greetings Eric
Dear Andy, I have you seen switching the battery's around. I would like to add three battery boxes. (With JK inverter BMS's) Would it be possible to switch one or two battery boxes down, once in a while, without converting the one availible to "master"? (Dipswitches useualy are not very sturdy build)
When you get the 16x LF280K cells Andy? the V3 version I suppose?
I assume these are the V3, yes. On the way, shouldn't be too long.
@@OffGridGarageAustralia i ordered 16pcs EU stock MB30, we will see! From your QSO/Qishou ;)
I would guess that braker is as stated for both together as is. In the US we have both 110v and 220v and alot of brokers are double for 220v and if marked, say 40 amp, if taken apart, it would be two 20 amp brakers.
I do not think this is right since the current must go thru both sections...so if it says 40, it is 40.
Yeah, we just don't know. It is usually per path.
regulations soon apear in europe too... and its good to know what to fix or improve. .
Hi andy do you let the communiti know if there cerquit breaker is up dated ?
I think this is the box that i want for my battery's.
As I said in the video, use an external proper breaker and use the built-in one more like a switch in case you need to disconnect.
I looked at the seller site and I can not see any AU Stock in Sydney as you mentioned 14:40 ?
That was for the cells, not for the case.
Hi Andy, I have just found your videos and they are great. I am building a battery pack using the EVE MB31's that you tested with good results. My problem is that none of the XiaoXiang BMS software APPS available for my android phone allow me to change the parameters of my BMS. Do you have any advice please?
Why is this a scam? It has different options. You choose the one you want.
@@OffGridGarageAustraliayou answered to wrong question. 😮
@@OffGridGarageAustralia Yes it certainly feels like a scam. YIXIANG advertise stating it is for 24 volt systems also but they don't have 24 volt DIY boxes. And as far as i can see the JK Inverter BMS JK-PB2A16S-20P (same as they put in) with breakout box i bought won't fit in an empty shell box. They do not have 24 volt pcb's so in fact it is only for 48 volt. Complete box with all included except cells delivered to the Netherlands for 538 US Dollars. Empty box with nothing still 220 US Dollars. You pay 120 US Dollars to get from a eurowarehouse in Poland fcol! Bummer!
Did you solve the missing data problem already?
Maybe the really long cable at the screen area is meant so you can have the boxes sitting far away and the screen on your desk...
yeah, these original JK- cables are for that purpose, not for the 16S-boxes ...
Maybe they meanwhile are all looking similar - is the buildquality really so much better than EEL or Seplos?
The second connector on the PCB (BMS->cells) might by a active balancer connector in case you use a non JK BMS. Looks like a copy of the original EEL ones.
the question is the material - stronger than the EEL, especially for the compression? If he has a new EEL box he can compare. Advantage of the new box were the preinstallation. EEL came without any installation and no description about the screws (for what to use, so you have to find out and hopefully enough pieces ...)
@@mandimandi2523 I build some eel - found it super easy. But yes documentation could be better - the tiny flyer is unreadable so you need to use the electronic one. Regarding the screws well sorted but it could be written on the box which screw should be used where.
@@Ole-Endurance my ones came without anything - no documentation. they forgot even parts ordered besides my boxes ...
I am getting 4 of these, to arrive within 3 weeks.
Difficulty saying Yixiang? Just call it Yix, or Y-X.
The Company is Yixiang New Energy; you can call it Yennie for short.
Yennie is good!
Can you also use it stand up, vertical?
Yes, could somebody address this question please? I don't think Andy replies to comments much.
@@PersonalStash420 Hello, it is not recommended to place it vertically. If you want to place it vertically, please fix it firmly.
I always read all comments and reply to as many as possible, @PersonalStash420
@@OffGridGarageAustralia I understand and thank you for replying to mine, Andy. 😀
Is it possible to order a battery box without the BMS?
🎉🎉🎉
Again! 🥇
Is it OK to not have any fiber boards between the batterie cells and the bottom of the case, or between the sides of the battery cells and the case?
i would put the fiber boards everywhere ...
Why would you NOT use the epoxy sheets? It's a safety feature.
@@OffGridGarageAustralia I didn't see the yellow plastic divider for the bottom or sides either, only the ends. I believe the original question is,,, why aren't they included and is it safe to build this without them?
it look like near from the EELBatery case
We will find out soon.
16:54 800! LOL! At this time, count in thousands, and use "K". You will be hitting 100K in 4 months, by equinox!
The subscriber count is dwindling...😆
Can this bms and box be configured for 24v?
No. But they also do 4S-8S boxes.
How many kwh do you have online?
Just the battery shelf, 44kWh. All other batteries are for testing only atm. Soon...
Just bought 2 of these😊. Does any one know the outside measurements are?
Looks identical to Seplos with a different front panel and JK BMS.
ELL Battery have the same new box for JK bms... i think than someone else produse box for that company....
you are right. just checked. my JK boxes did not have .... bought too early ..... but for my purpose with the insulated box the old version was better....
Our horizontal JK battery box was launched earlier than theirs. The new screen kit uses 4 flexible busbars and the shell material is also better.You'll see it in Andy's review video soon.
The EEL box got delivered last week, so review should be just around the corner.
Hi Andy, a double pole breacker normaly isn't two breakers at once. All the current sensing part loke the bimetal strip is only in one of the two lines. The only thing which is double are the contacts to separate plus and minus. So amp rattings aren't doubleing up.
Andy, when are you going to step out of the closet - is this the one you’re going to go ahead and build 20 units? And with JK inverter BMS? Do you think they’re going to solve the missing consumption issue with firmware update?
Considering how much anexiety you get from messy cables implies that you’re going to get rid of all other boxes and use only one the selected one. The big question is which one. Is there more in the pipeline still coming?
Some DC circuit breakers use a magnet to deviate and extinguish the electric arc that forms when breaking the circuit under load. This works only if the current is flowing in a certain direction. If the current flows in the opposite direction, the arc does not extinguish and the circuit breaker could catch fire. There are many demonstration videos on youtube about these "directional" DC circuit breakers frequently used on solar panel circuits.
Is that what this box is using, a magnetic breaker? Is this box unsafe, in your opinion? I was thinking about getting this one but I would need to stand it vertically to fit in a small closet. Is this a bad idea? What do you think? Anyone may answer, btw. 😀
@@PersonalStash420 Breakers with magnetic arc deflection have directional markings for the correct current flow direction. This one with an input and an output marking is suspiciously similar.
@@danielardelian2 Indeed yes only works on battery output not for battery charging - separate MCB needed. But then the main danger is battery sc with down stream inverter etc. Nvere forget the ultimate breaker is some big cable cutters hung permanently beside the box - leccy pliers wont cut it.
Ide like you to power it up so we can see the display & what is actually presents
the display is only a display. You cannot change anything there. you need your smartphone. It presents the voltage, SOC, the voltage of the cells. has 3 different pages. last for alarm
It still would be good to see the digital display. !!
Not sure about your voltage comment. I suspect your 48V battery will be in trouble if you feed 80V in and you're not likely to get 80V out either, right?
At the end, that's what the BMS is for. If I feed 80V from solar into the batteries, it will still charge as usual, as much as the solar can deliver. The BMS watches and will disconnect if out of spec. But will the BMS still work with 80V on its input?
@@OffGridGarageAustralia No 70V is absolute maximum according JK specs.
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how much frogs?
Do you know if anyone makes a box like this for an 8 cell system with the EVE 280Ah cells?
EEL makes boxes for 24V with the JK-BMS, but without the display integrated .....
@@mandimandi2523 Thanks! I was planning on the JK BMS anyway, so that looks perfect.
Most 24V boxes will fit the same number of cells but installing them in a 2p8s configuration. You can basically use any of the 48V boxes and arrange the cells accordingly to make a 24V system.
@@OffGridGarageAustralia Thanks - Yes I'm aware that I could configure the 16S boxes as 8S2P. That would be too large (and unnecessarily expensive) for our RV application. The Eel 8S box looks suitable.
I have never understood why the light switches in the UK-AUS are flipped down for on? In the states we flip them up :) So many things to wonder..Great video as usual.
It is interesting. Being an Aussie, I find the reverse to be icky. Our circuit breakers are reversed, as yours. Up is on.
When things were simpler, the power switch would have a dimple in the top, which had a bright red colouring (on white switches, or a white dot for dark coloured switches). Perhaps this was a deciding factor? Purely a visual safety indicator, which only works when viewed from above?
The real humm-dinger is that we have switches on all of our "power points" (outlets) and in the US/Canada, that is unusual.
These days, there are plenty of options without these visual indicators. It's just "muscle memory" to know which position is on or off.
Perhaps it's a logical decision after all? Power comes from the top of the wall (the roof) down to the switch. The device which plugs in is further "down", so an up switch stops the power at the outlet, while a down position allows the power further "down".
We've always wondered why your light switches work the other way.
Light switches are upside down in the UK? I spent 3 weeks in Kingston with my wife, visiting her parents, and never noticed upside down light switches. 😀
Our light switch’s are on when in the down position because when where drunk and stagger in the room and fall down as we are looking for the light switch we have a better chance on turning the light on. 😂😂
@@vk3hau Actually that's the BEST explanation I have heard :)
320Ah total cells ok?
Like# 4 - the competition is getting fierce! I need to script my like and comment!
got one, Paul! 🥉
@@OffGridGarageAustralia woot!
@@OffGridGarageAustralia it is hotter than blazes, hurry up and send Winter back here - 42.78°c
This pack would triple the range of a Citroen Ami
I think the second connector is for a NEEEEEEEEEY.
A NEEEEEEEEY and a JK with active balancer. You mean, if you cells really need it?😅
@@OffGridGarageAustralia Or if you use an other BMS. But there is no other reason for this additional connectors. In the video I can't see where the connectors are soldered, but there is nothing else on the PCB.
@@OffGridGarageAustralia Is it possible that the PCB is the same, like the EEL boxes? So they doesn't change the design?
O.K. I had look in my EEL-box. It is the same PCB.
I think the braker is a single unit even it has two poles. You interpreted the current wrong.
Unfortunately no 200ah-230ah version 😢. Andy you really need to convince them it is a must have to be a big boy company😂😂😂
standard is 280 and 304ah or the new EVE MB 314Ah.....
@@mandimandi2523 I know it is. But not everyone has the room for the big boxes. There is also the fact that I have an option on 1000+ units 206ah, so if it's possible I'll be going for that
Wiil the box really be shipped the way you had gotten it ?
I wonder if it arrives assembled or not.
When will these companies realize that their branding is terrible for export - Yixiang ?
Audi, VW, Opel, BMW, Mercedes and Porsche are somewhat easier to spell.
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And number 4, runner-up...
Hahahahaha..... 800 subs... That was great!
2x275A circuit breaker on negative line? no, thank you
PS: Victron Multiplus II requires negative line be always connected to the inverter
All BMS disconnect the negative path. How does this work with Victron?
Well, it has been tested, right😆
@@OffGridGarageAustralia and yet according to the Victron documentation:
> When connecting MultiPlus-II units in parallel, the following requirements must be met:
> It is essential the negative battery terminal between the units is always connected. A fuse or circuit breaker is not allowed.