Brand-new EVE MB30 and MB31 from QSO on the testbench. These are the cells you want! 🔥🆕🔋

[@bryaninglis]

Am I missing something, because 300kg force = an awful lot! = 2942nm....my poor torque gauge doesn't go that far.

[@OffGridGarageAustralia]

I think you are doing something wrong...

[@simongrace2538]

300kgf is surprisingly small actually. I calibrated my clamping arrangement with a device used for testing the clamp on paint tin shakers. I couldn't find a torque wrench sensitive enough

[@stephantitze8302]

You are mixing the pressure force (300 kg in linear direction) with the torque which you apply at your torque wrench. The pressure force which you can achive, depends of the size and type of thread. Example: M6 nut torqued with 10 Nm produces a tension (pressure force) of 10 kN ! (about 1000 kgf). If you torque a M8 nut with the same 10 Nm the tension is only 8 kN. This is because of the higer pitch of the M8 (1,25 mm/turn) compared to the M6 (1mm/turn). As you can see, one M6 rod would be enough to give easy the force of 300 kgf to the battery pack, but it is a little bit difficult to apply evenly. 😉 I always wondering why some guys use M16 rods. 😳 My cells will remain uncompressed, by the way.

[@OffGridGarageAustralia]

@@stephantitze8302 Thanks a lot for the explanation. That is very interesting. 3Nm and a M6 rod would give us the 300kgf then. EVE has some specific drawings in their spec sheet now, using 6 rods and two wooden or metal plates at each end. Would each nut need to be torqued with 3Nm in this case or is it 1/6 per nut to achieve the 3Nm? I guess if you use some foam underneath, it will quite evenly distribute the force?

[@stephantitze8302]

@@OffGridGarageAustralia Hi Andy, it should be as you mentioned: The sum of all forces, caused by the nuts is equal to the sum of forces in the opposite direction, in this case the 300 kgf of the battery. It is finally the 3. law of motion by Newton. Off course from the feeling in the fingertips it seems unbelievable that you have 300 kgf with 6 little nuts tightened just by the force of three fingers. The foam makes it erratic to calculate anything, but by just "mechanical feeling" it is the only way to distribute the force somewhat equal to the usually uneven surface of the cells, even if your new cells are exciting good in this mater. On the other hand each foam material will settle down under pressure, over a period of time, and the adjusted pressure is lost. For cycle testing my EVE 304 cells a few weeks ago I've used a layer of thick soft pond foil to feel better. I've also tested the possible force of my clamps, which are looking similar to yours and could reach the 300 kg hardly with just one of them. I will post another comment regarding compression in the evening. Its springtime here in the "fresh", cloudy north of Germany and a lot of things to be done in the garden.

[@Sean-vh8pm]

this channel is costing me a fortune. About to order another 64 cells

[@OffGridGarageAustralia]

Arghhh, just don't!😂

[@Sean-vh8pm]

@@OffGridGarageAustralia Seriously, I shouldn't order them??? Basket has 64x MB31 cells loaded already from you link.

[@TheRonskiman]

@@Sean-vh8pm Only order them if you actually need them.

[@ClausMallorca]

​@@Sean-vh8pmwhen you copy Andy, you have to invest a fortune 😮😮😮 I don't know what he invested until today, but must be a lot!

[@thebeaglebeat3615]

​@@OffGridGarageAustralia lol 😂

[@solaribits]

Your intro made my day :)

[@daveduncan2748]

I was shaking my head and muttering to myself, "Don't do it," as you were talking about the buffer between the normal 3.65V max and the 3.8V absolute maximum voltage. Glad you quickly said, "Don't bother asking, I'm not doing it." 🙂

[@ElieHarfouche]

Last week, I attended a solar exhibition in Turkey and had a fascinating conversation with EVE representatives. They shared that they've adopted a new method of pouring the solution directly into the cell instead of using sheets, which appears to significantly extend its lifespan. Your test results also seem to confirm this, showing increased solution usage and power output. Additionally, they introduced a larger battery model, double the size of the previous one at 280, 560AH, with an optimal capacity exceeding 628AH. It's truly remarkable to witness the rapid pace of innovation within EVE and other brands in the industry.

[@2hotscottpro]

When will the new bigger ones come to market?

[@ElieHarfouche]

@2hotscottpro, it's currently available for purchase and the price is very reasonable. Primarily designed for large-scale power banks, it's also suitable for stationary home use.

[@2hotscottpro]

@@ElieHarfoucheI was thinking of putting a 48v bank in my RV. Wow 421 pounds plus wire and housing.That’s heavy! Now I see these were mentioned in 2022 .

[@davidpenfold]

@@2hotscottpro The larger capacity ones seem to be twice the width of the original ones. They're not more energy-dense, but cut down on busbars, BMSes etc.

[@shameelali2549]

Very interesting

[@Deiphobuzz]

just ordered my first 4 cells for my camper with the 300a JK bms. Cant wait!

[@lightitrun5209]

Been following you for years. Thank you for the hours of time, research and advice. I go back to your earlier videos just for a refresher course from time to time. 🌞🍻

[@OffGridGarageAustralia]

Thank you so much for being here for so long and your generous support!

[@jws3925]

You are becoming a movie producer too! We will miss you when Hollywood beckons.

[@pearlrival3124]

an extra thumb for the production hilarious

[@mickwolf1077]

I don't think Andy will ditch Off-Grid Garage for Hollywood. he gets to do what he wants here for us to enjoy.

[@Bodg3r]

Andy, please never change.

[@OffGridGarageAustralia]

I won't, hahaha.

[@Stefan_Dahn]

​@@OffGridGarageAustralia Andy is changing every week. Getting wiser and smarter. 🤓🇩🇪❤️🇦🇺 Grüßings vrom Dzörmäny! 😉

[@wayne8113]

Thanks Andy, Love the intro 🤣 , WOW what a great result 1100Wh 🐸🐸🐸🐸

[@OffGridGarageAustralia]

Thanks Wayne. Intro alone was over 3h of work. Sometimes I can't help myself😂

[@lukemason9500]

Your best intro yet, shame we couldn’t see andy2 flying the plane 😂

[@garys-half-baked-offgrid-dream]

Hi Andy, If you didn't show it I wouldn't of believed it, that's mental! Mind blown.

[@JPHER217]

Thanks Andy. Waiting with interest for the 560K review from you.

[@mobilemechanix1]

Me too!

[@DutchAussieProductions]

Greetings from South Australia. Thanks for the video, Andy. I love your introduction to this video. Brilliant. I hope you have a wonderful day.

[@beebop9808]

I just recently received 48 spanking new 304 cells from a different supplier on Ali. About to place a second order for another 48 but I gotta give the little gal I ordered from last time a shot at the order if she can compete. She gave me a great deal on the last order and made it all happen smooth and painless. She earned a chance at the very least.

[@MrSqueegey]

Love the video as always,the 360 cam at the end was crazy

[@580guru]

Greetings Andy! Looks like you had a great time with your battery delivery scenario and I enjoyed it😊 " It's in the dam ....and slowly sinking"

[@ElectricCarAustralia]

Andy, your videos are getting more informative AND entertaining every time I watch. Keep up the great work 👍😉

[@clarencewiles963]

Getting better and better!

[@OffGridGarageAustralia]

Yes, they do get better. And cheaper.

[@SVAdAstra]

Thanks!

[@OffGridGarageAustralia]

Thanks a lot!

[@NoelBarlau]

Well thanks to you I had 16 of these suckers air-dropped onto my property yesterday, using the link you provided. They arrived in the exact same shipping boxes. You should get a kickback from EVE!

[@brettdelaney4706]

How did you get air drop? The Alibaba link only offer delivery by boat

[@johanbraanen2108]

@@brettdelaney4706 It's a joke

[@edwardvanhazendonk]

Wow what a great cells! Thanks for the tests and insights.

[@DannyCsaszar]

Another entertaining and very informative video. Thanks again Andy. I just ordered 8 mb31. FYI my catl 306ah by EEL are "not good"! So looking forward to these

[@AndreaFurlan-ro8cw]

😂😂 Andy u r the best funny smart guy!!

[@cyclemoto8744]

I didn't know the affect of comporession on cells. Eye opening....Thanks for sharing

[@olafschermann1592]

Only necessary on the first 1-2 charges to get micro bubbles out of the layers. A german youtuber (zerobrain) interviewed an an LiFePo expert working for a manufacturer and he explaind all that over 2 hours long. Must be upright for those first 1-2 charge cycles. Brings 4000-6000 cycles up to 8000 cycles if done. He also described the lower charge speed at low temperatures and there is no hard limit, but a curve. You can also charge at -5 celsius but at a very low P-rate.

[@cyclemoto8744]

@@olafschermann1592 Very interesting. Thanks for sharing the info. Cheers

[@boatelectricaldiy]

All my 304 cells have come this flat for years. Glad to see you finally using compression Andy. My oldest 304 un-compressed battery, was down to 286 AH this year (tested 308AH at delivery). My compressed one of the same age is at 300AH out of the original 310 it tested at on delivery. Compression makes a big difference on longevity. People should ask for a refund if the cells come bulged on delivery. The new EVE "math" is something huh? Such impressive results on the batteries they sent you despite the math.

[@jws3925]

Is the 208AH in the parentheses a typo?

[@boatelectricaldiy]

@@jws3925 no. My cells always come with over 304 AH. Most are between 306 to 312.

[@vkristof1]

@@boatelectricaldiy The value you have in parentheses "(tested 208AH at delivery)" is 208, not 308...

[@boatelectricaldiy]

@@vkristof1 oh my. That is a mistake, thank you for pointing it out. I will fix it. I guess I read what I wanted to say instead of what was written. That was silly of me.

[@jws3925]

Ha, you edited it and changed the 208AH to 208. I thought that is what you meant.

[@titlepower]

Andy from at 2:08 we can see the content of the boxes on the right side in the video. That popped the balloon of the nice intro up to that point. AI may help you one day take them out. I must admit that you are extremely creative and never a dull show. Especially the intros.

[@videogenie1236]

Love the MB30 details. I am looking forward to the MB31 testing. Currently, i only have solar in my motorhome on lead acid batteries, which I have hardly used in 8.5 years. I am taking notes on shat you are foing as I plan on moving from the 🇬🇧, in the near future. I will be setting up solar and wind power in 🇹🇭. Keep up your good work.

[@jetrocket3140]

I've ordered the MB30s at Yixiang, for my first batteries. I've received them today and I peeked into 2 (of 16) boxes. Excellent packing, in what is now standard setup I think. Epoxy, screws and busbars all present. The cells look excellent and very flat, the QR codes are valid according to the online Gobel tool. Only doubt I have, the manufacturer date is February 2024, is that ok? (I'm a layman)

[@andrzej3511]

This is very clear progress! We get much more for less money!!! Impressive! THX.

[@OffGridGarageAustralia]

Prices are looking good at the moment and may even come further down. I always buy when I need them, regardless a few $$$ up and down.

[@repairman2be250]

LOL Andy, the box is heavy and when you push the wheel barrow it is all light again. Just had laugh for a while. Very creative and funny to watch. Well done.

[@yooper423]

Interesting results, Andy. I just got some new EVE 105Ah cells from the 18650 battery store. The first one I tested came out with 111.07 Ahrs and 349.00 Whrs. Not as impressive as your results but still the best over the stated capacity I have ever gotten.

[@OffGridGarageAustralia]

The EVE cells are usually great quality. Even as B-grade cells I have tested them with good results.

[@FutureSystem738]

LOVE ❤ your work Andy, great comedy intro! Cheers

[@Paul_______]

Just following up after I finished the video. I'm very impressed with the outcome of the testing. I'm still skeptical of payments on Alibaba but if you trust it then screw it, I definitely want to order these cells

[@davedubreuil]

2:35 They say hexagon is the bestagon, and I don’t disagree, but the top of the terminal does appear octagonal.

[@andreblanchard8315]

An irregular octagon at that.

[@OffGridGarageAustralia]

I always mix that up😄

[@marcoarpago]

Fantastic video Andy ! Great intro hahaha. Can't wait to see if you decide to compress them or not and in case how you will do it.

[@peterle987]

15:24 .. error in datasheet. They say stop CHARGING in the discharge section ;-)

[@HybridShedIraq]

I have ordered thec3rd gen eve October batch they are still titled as 280k but they are 311ah. Still need to install them. Great video as usual andy 😊.

[@raystone4673]

Entertaining start to video. Good luck with warranty on the one you threw off the roof. Theyve obviously changed the internals of the MB30 and 31, in that to get the increased capacity, they're now wanting you to treat it more gently. The EV grade LF280K, had an allowable maximum charge and discharge rate of 1C, so 280 amps. You could also have a pulsed discharge rate of 2C (560 amps) for a short period of time, (30 or 60 secs i think). These ones are limited to 0.5 P which takes voltage into the

[@chasmarischen4459]

Excellent video! Thank you for the detailed info.

[@fldutch]

I love the smell of LiFePO4 in the morning! Good they did not drop napalm - but would not matter, i suspect there are no waves where you live ;). Thx for testing. Just had a look at the datasheet before watching your video - 10k cycles come with a price of eeeerrrm 0.5p :). The question is: does that apply for all the cells in total (so 489,6 Watts) or does the power sum up for a 16s system giving 7833,6 Watts (153A) 🥳. So max charge/discharge reduced to 0.5p instead of 1C for the LF280K. If the MB30 gets MUCH cheaper (there are rumors stating 1kWh might sell at about 40 EUR in June), maybe it will be a good thing, so you can distribute the needed system power (my 3 MP2 5000 will roughly take 15kW) to more batteries for the same price with higher capacity. Anyway also had a look at the EVE LF280K V3 datasheet - they already introduced the "p"-rating there and also te 70% SOH, ending up with 8k cycles, also using 0.5p for charging. So we win about 2k cycles by loosing max. 1P allowed charge/discharge rate. Quite a tradeoff ^^. And the 2.0V < 0°C was also introduced there, also the the temperature dependency of max charging power and also SOC dependency of charging power (but that is not present in the MB30 datasheet) - NUTS. Swelling force also got introduced with EVE LF280K V3 datasheet. Just ordered "Stage 1" for my home battery storage - 48 LF280K cells. Next stage might be MB30 cells, if they are available at NKON in the Netherlands later this year. From a customer perspective we are living in a golden era of battery storage at the moment ;). Improved cheaper LiFePO4 cells - what more do we wish for? No need for sodium cells ;).

[@OffGridGarageAustralia]

Thanks for your comment and thoughts. I think so too, these LFP cells will stay for a very long time. Sodium may catch up a bit, but such performance is very hard to beat, even with improved sodium chemistry. Yeah, prices will get even lower, they are saying. More and more production lines are coming online in China.

[@sharetheadventure1]

Another outstanding video Andy! I received another batch of EVE 304AH from QSO last Month and they all tested over 314AH So I'm not surprised on hearing that they have come out with a new cell. But! But! i was surprised to here that these New cells came by AIR freight 🤔🤔 Does this mean we can get them in a sorter time frame now Andy????? And once again Thanks for making me smile in Foggy old Sydney This morning.

[@OffGridGarageAustralia]

Oh wow, over 414Ah, that is great for a LF304 cell! Nice to see QSO is delivering. You can get batteries via air freight, no problem. These ones came with 20%SOC only. I don't know if this matters though. It took around 2 weeks from sending to been dropped off at my place including customs and transport.

[@sharetheadventure1]

@@OffGridGarageAustralia 🤣 O Andy . not 414AH . i think you made a typo. lol What i do know is that QSO deliver on there cells. And if anyone has any doubt . Don't. There good to deal with.

[@OneStepToEscape]

Hello, Andy, good staff as always. You have never seen documentation for LF280k (Version of the document C, june 2023). ? So, there they marked lf280k as 8000 cycles, 70% SOH. And pretty the same kind of information inside (very detailed).But maximum continues charge and discharge are 1P. Changed electrolyte etc.., limited continues current twice, rised cycles from 8000 to 10000 and make a new version of MB cells of course with higher capacity...so for solar power users it's probably good 👍

[@hal3137]

Great stuff Andy as entertaining as ever.

[@OffGridGarageAustralia]

Thanks for the feedback. Hope you also learned something along the way😄

[@abid583ind]

Thanks a lot Andy!

[@danfitzpatrick4112]

Great Find! That's give or take 15kwh for a 48v backup system.. NICE!

[@jeb-zf4un]

Thanks Andy fun and informative video.

[@hmtempla]

What is your opinion on cell compression for these new cells? On previous cells you said it did not matter on solar applications.

[@jimg5669]

I've not diy'd any banks so haven't followed cell pricing but, ~$1/12v Ah (yes, plus s&h etc) feels... stunning! 😮

[@martinmooren9536]

Excellent battery and price! 😊

[@gruetoo1]

Another great video! Thank you for being you. Not like I need more batteries....but....but...but...1KW per cell.... This pushes the rating to over 16KW for a 48V battery. Yes only 2KW but still. At what point do we consider replacing our cells? Or do we wait for the 6K cycle and then start to look around?

[@OffGridGarageAustralia]

It says it in the specs. when you hit 60% of the capacity it is time... That will be in 20 years for your existing cells😄

[@jws3925]

Hey Andy, I think I recall from many videos past your inclination was that compression of cells did not make any difference. Am I mistaken or has recent evidence changed your mind on this matter? I take it you fully support compression at this time, correct?

[@jcgcs]

Will al cells have a capacity of over 1 kwh? Or they sent you the best ones? Great video, as always Andy!

[@OffGridGarageAustralia]

As I said in one video, they would not send me selected cells to show them on the channel. People would leave feedback and their reputation goes diving until nobody buys from them any more. They had years of building up that trust and reputation, they will not risk that.

[@ClausMallorca]

@Andy did you ever had problems with different cable length? I have two additional battery packs connected to my system and when I connect them to my other self built batteries which are closer to the Victron they don't discharge, I guess due to cable length (approx.5m)😮 when they are connected alone, they work without problems

[@mrx1979ua]

TY for the great video! Very informative. I have a question for you - I am looking to buy some LiFePo4 cells for this coming winter in Ukraine, that is expected to be pretty harsh, and my main goal is to get really good quality brand new cells. Actually this is how I came about watching your YT channel - looking for proven cells :) So the question - what is this QSO store you mention. I've never heard about one. I've found one similar on Alibaba, but not sure if I can trust it. I'd be grateful for information. Danke!

[@jankristensen1513]

Nice videos you make. Thanks for that. They are really good for me, who will enter this DIY world. I am particularly interested in these new MB30/31 cells, and the box from Yixiang that you also made a video of. Is it possible to combine these 2 things together?. I'm also thinking about the BMS, is it big enough to handle these big cells?. Sorry but I'm a total beginner.

[@LackofFaithify]

Would be curious to see what the old battery model capacity would be if you changed the former max and min voltages, 3.65V and 2.0 to the now larger spread of max and min voltages as well as the new charging specs, compression, etc...?

[@anthonyevans7911]

awesome again Andy. when you testing the DIY BMs from Stuart Pittaway.

[@ldiegoes]

I LOVE your intros ❤

[@TheBelcherMan]

That was fun!

[@joseo.cordero7286]

Andy, Do you know if the MB30 & MB31 batteries from QSO are "Storage" grade or "HSEV" grade? I ask because on your website, you make reference to QSO baterries as "Storage" grade. Maybe since the MB30 and MB31 are a new model, they are the same.

[@OffGridGarageAustralia]

EVE is marking all cells with a 'B' on the QR code if they are storage grade. These ones don't have that. Storage grade will be totally fine by the way...

[@BobCollins42]

How are you measuring the clamping force?

[@NiueChannel]

yeah, by the way .... ;-) I guess what you never tried yet (or at least we don't know) is testing discharging a battery with a constant power instead of constant current:) using the same ZKE tester, it's possible! Try with your old "test cell" 100ah :) that would be very interesting comparing that discharge curve vs "constant current" discharge curve.

[@reneestechnikkanal]

Ganz wunderbar! Vielen Dank für das Video. Grüße, Renee

[@OffGridGarageAustralia]

Thank you!

[@jamest.5001]

8k cycles ti to 70% cap. That's 21.917* years. The electrolyte will probably dry out by then! If you have a cold issue build a foam insulation box. to cover the cells. Get a oil pan heater, that sticks on The oil pan. Stick it to a heat sink near the size of the cell . Use a thermal switch between 20°- 40°c, with a relay set up to turn on below 0° and off at ,20-40° at most. Id like to get four of these for my little inverter, to power a bedroom and/or living room, big enough to power tv, lights, modem, routers, and more at once! With built in charge controller, i have generators and a large inverter for larger loads. This is basically a backup system. Got it at a really good price. Im thinking about mounting a 100amp alternator to my riding mower, to charge batteries in an emergency, possibly set it up for propane and gasoline, maybe mount a 100 ah battery on it and 60 amp DC to DC charger , and a really quiet exhaust. Im case the sun can't charge the battery!

[@OffGridGarageAustralia]

4 cells of these will give you over 4kWh of energy. More than enough for your loads...

[@AuroraKlo]

I think one of the first videos you had about the jk-bms there was a view for each cell resistance but I do not think you mentioned this in dept but maybe now this is interessring if the cells should not exceed 150% or be less than 60% or Love your channel 👍

[@AuroraKlo]

I found the video: JK-BMS all settings and menues explained, but it was the wire resistance, not cell resistance ☺️

[@pablonerino]

Andy, you are my hero, I have your photo on my computer screen! 😅Just got 16 new EVE, but I have 24V inverter, so I'll do 8+8 in parallel. I already have a JK BMS, the black one, but if I get another one like this, are they parallelable? Or do I need two other BMS suitable for this purpose? And if I just leave them each on their own, is that a problem? Can you suggest how to set up this system?

[@michaelmurray9940]

Good one Andy....

[@ericschloesser9290]

Great video again, thanks Andy!! I checked your Alibaba link, to the Netherlands they charge $380 for 16 cells, did you have the same shipping cost?

[@OffGridGarageAustralia]

I had a bit less but also ordered some more cells for other people. $380 seems to be all right.

[@Dutch_off_grid_homesteading]

Heya, that's a nice delivery lol. oh wouw 330 Ah and almost 332Ah dis/charge that's nice very nice and no belly I like them.

[@TrevorFraserAU]

I'll say it again, these type of terminals are not compliant with what Eve requires to be within specifications. Anything larger than 280Ah need to be laser welded together. For what you are doing this should be fine, but it is good to know when you are outside the manufacturer's specifications. Thanks again for another great video!

[@charlieodom9107]

I'm about to buy 20 of these for a project!!!! I can't wait to get them.

[@ElectronTinkerer]

Interesting to see that they extended the voltage range of the batteries. Seems Na+ cells with their wider range become a serious competition already.

[@rendark419]

Sehr schön gemachtes Video! 👍 Und wann baust du einen Akku-Pack mit MB31-Zellen?😁

[@markleonard6416]

It would be interesting to see a constant 3.45V charge curve. Given the low internal resistance they should be identical up to 98% charge. For a 16S sysytem, a charge voltage of 55.2V should be all you need until your input power is over 8kW. I'd love to see a test on a 16S battery as well.

[@Ruslan-ym4db]

Hello. For home use is it necessary to do full discharge and charge new batteries before first usage? Thank you

[@christianbmerges]

Would u say, that also the older models have to be compressed and they just didn't mention it in the docs or is it rather a new requirement for this new model?

[@MustAccord]

Thanks for the video. I'm actually looking for a ready-made solution and found a local dealer offering battery packs made from EVE MB30 cells, with a total capacity of 31 kWh. The only drawback is the 5-year warranty, whereas other manufacturers offer up to 10 years. Could you please advise if it's worth purchasing at a price of around €6,500?

[@33a333]

Hello, maybe Is there a video of the sodium battery overcharging test?

[@oztravelandfood]

Hi Andy Just a question on the analyser that has arrived. I got my head around most things but when setting the cut off amps on mine regardless where, on the machine or the single test it maxes out at 9.99amps. It will except it in the cycle window but when you start it and look in the single view it is 9.99amps. Would appreciate some help with this as im wanting to top balance 4 mb31 314ah cells. Cheers

[@edwardvanhazendonk]

What an epic info 🥳🎊🎉

[@JohnMcFarlane-lu4zj]

Can these 314 ah batteries be used in the 280ah Kits Andy has reviewed? Given tne dimensions are the same?

[@burnzy56469]

Thanks for the info and entertainment

[@pat_salt]

Thanks a lot for your videos! I just finished the testing of my brand new MB30s and wanted to check how they compare - pretty much the same as in your test. Just one remark about the "charge efficiency": you (and many others) often state that the charge efficiency is almost 100% for LiFePO4 cells, which supposedly tells something about the quality of the cell. But: Unless there are internal charge losses (which is not the same as energy losses), the total charge going in and coming out of a the cell terminals is always identical. Charge can be lost for example by internal short-circuits or by cell degradation processes - which is not a thing when you charge/discharge within hours/days and not weeks/months. So, no matter which cell type, even lead acid, you expect the charge and discharge reading to be identical for a proper charge/discharge round trip. If the numbers are the same, this is a hint that the round trip was set-up correctly (and therefore, you should compare these numbers) and no hint at all for the quality of the cell. However, the energy (so the kWh) going in and coming out is NOT the same. Power=voltage x current, the sum of the current is the charge, but the voltage during charging and discharging differs at same SOC (by approx 0.09 V at 40A for the MB30). Therefore, the round trip energy efficiency (RTE) of a cell is below 100%. For all my MB30 cells, the round trip efficiency is 97.1% (+/- 0.1%) at 40A charge/discharge and this number will slightly decrease in a battery pack, because of the BMS energy losses. Viele Grüsse aus der kalten Schweiz nach "sunny hot Austria".

[@perdonomai8060]

Two (additional) things I would love to see at your channel: 1) Natron Energy's bluepack Na-Ion 2) FMPS Class 4 (e.g. voltserver) and the possibilities for HV-DC distribution with it (from solar panels and battery to appliances)

[@ThanosSustainable]

LFPs are now under $100/kWh for a complete battery build. Why would anyone bother with Na-Ion?

[@jghall00]

​@@ThanosSustainable low temperature charging.

[@HiltonT69]

Them thar cells look mucho impressivo!

[@rmdjapri]

As usual, KZbinr always get more capacity than us as regular person. 😁

[@johngordon3493]

Question from Bavaria: so do you compress the new cells now or do you still leave them in the shelf uncompressed once installed?

[@sailawayteam]

I don't know what they put in the drinking water in Australia but it works.

[@OffGridGarageAustralia]

We use 100% rainwater here, so...😄

[@ML-hf6ii]

that cells are amazing

[@OffGridGarageAustralia]

Yes, outstanding, they are great!

[@Animatronicsu]

The Eve Lf560k seems really interesting too with 628ah and 12.000 cycles

[@SandyH-zc3pr]

Watching from Auckland NZ on the Ovation of the Sea looks ti be the goods!

[@sergerobitaille2214]

I am dumbfounded ! About 5 yrs ago I bought CALB CA180FI. Rated at 180Ah, they are 180 x 279 x 71 and weigh 5.6Kg. How the hell can the MB30 be rated at 304Ah for the same weight AND smaller ?!? I understand the technology is rapidly getting better but this is 70% more capacity for relatively the same or smaller footprint and the same weight ! Are those two cells in the same class...am I comparing apples and bananas? Do you have a clear technical explanation for the difference in capacity?

[@olafschermann1592]

Looking forward to seeing LF280k getting damn cheap when everyone is waiting for MB30s 🙂

[@kchortu]

I am curious on which one of the two you would recommend.

[@Ruslan-ym4db]

Hello. what is your Bulk and float charging voltages recommendations for lifepo4?

[@grumpy-badger]

Love it. Wagner!

[@dx80cruiser]

Saw these a few weeks ago on Docan and was wondering when someone would do a review.

[@Sean-vh8pm]

Don’t buy from Docan. They supplied a poor set of 16 cells to me last time. Avoid.

[@savvasgerm]

Super Video Danke!!!!

[@OffGridGarageAustralia]

Thank you.

[@sswwooppee]

Impressive LFP cells.

[@OffGridGarageAustralia]

Yes, they are very nice cells...