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UPDATE 14 Nov, Tested all 16 cells for capacity of the EVE LF304, Lowest cell 308.1 Ah, highest cell 316.2 Ah.. Overall, I am happy with the results. Will perform a top balance and we are ready for installation.

Lol, I see...but look at the money you save on the price ?

I am hoping to catch a video on YouTube showing the process of calibration. I need to brush up on my Chinese if I were to read the manual.

Sorry, here is the link: https://www.18650batterystore.com/products/envision-aesc-305ah-grade-b-cells-3-2v-lifepo4-battery Back in stock ???

As you may remember (stated earlier), I bought the B cells from 18650, received a tracking number but three days later received a refund due to lack of inventory. The thing that scares me is the laser welds on the B cells. They gave me a good price on the EVE cells, when finished testing, I may...

I am using the ZTECH EBC A40L. I have tested about 100 cells over time. Not sure if it needs calibrating. But these are the results.

UPDATE : Wednesday 25 Oct. Have tested 11 of 16 EVE 304Ah cells from 18650. Lowest cell capacity is 311.7 Ah, highest capacity 316.2 Ah. Will keep you posted.

Correct...they sold me the envisions but canceled due to lack of inventory. So, I bought the EVE 304 Ah cells at a great price...I hope

These are the EVE 304 Ah cells or at least that is what I'm purchasing, will let you know for sure after capacity test. I just cut some ply to place under the cells, thank you ! Also I will NOT be torquing the cells to 6 Nm but will go with 4 Nm torque

UPDATE Wednesday 18 Oct. Brand new cells arrived, appear to be in great condition, no swelling, all busbars accounted for as well as screws/nuts. I posted pics. Now for the Individual capacity test. More to come

UPDATE ordered 17 - 304aH grade B cells on Wednesday 11 Oct., received shipping order 3 hours later. Batteries not picked up by UPS upon checking this morning, Called James to check status, was told they were out of stock and received refund shortly after. I was offered a deal on NEW 304...

Please let us know who the seller is, so we can avoid/buy from them

Yes it does, hmmm...:unsure::unsure::unsure:

Just heard back from EEl and they have canceled the order and I received full refund.

When I called them, I asked specifically if the capacity is as specified in the listing for the grade B, he said yes they are and some higher. 300 Ah will be acceptable to me, 290 is not. BTW,, I tried to get them to come down to $79 dollars but he said the only had 21 in stock as of today. As...

Well, I had my JK BMS (1 of 4) go bad on me. With that same problem, along with "protection cpu/aux anomaly". I have to send mine back (which costs as much as the BMS new), however my BMS has been up and running for 10 months then went south, the others still functioning properly...for now

I have every intention of testing them all. Very time consuming but worth the effort. I will accept 300 and above Ah capacity, but will call them on anything below. I noticed in a previous post by you that they are swollen. How swollen are they, just curious?

Just purchased 17 of the grade B cells from 18650. $89 dollars. Was told by James that these cells will pull 305 Ah capacity, I plan to hold them to that. They did mention swelling, I'm ok with that since they will be sitting on a shelf, compressed... Will update as needed

Alkaline, Sadly, I did not see this post prior to ordering from them, then after I saw this and a few others I demanded a refund through Howard, same day, Already notified Paypal. I have not heard back form EEL yet. Curious, did the cells measure up to capacity ? Were they swollen ? Forgive...

Thanks ! The issue has been solved. I ended up re-installing after the latest update, things back to normal.

Apparently they are not as "informed" about their own holiday. Hmmm...

Exactly !!!

Oh ok...thanks Amy ! ?

Well, I ordered 4 cells from Amy Jan 20th and I was told by Amy that my batteries would be shipped on Monday Jan 23. Then, yesterday (24th) I received an email from her that they are all on vacation until the 29th and that she would send me an email confirmation once shipped. I have ordered...

Boy that was fun (not). I hate those kind of surprises they throw out when updating. My system is still working well at this moment since the latest update. 2 month ago I ordered 16 - 280 Ah cells from Ali express. Had a few issues with the seller and had to get Ali Express involved. Two cells...

So I have a LV6548, using a JK BMS B2A20S20P with LIFepo4 16s config battery. After going through botched updates last week on my BMS (IOS phone), I now noticed under NO load with the PV's on (3S2P 250 watt) panels...when viewing my bms app, I see -16 amps while voltage climbs to full SOC. My...

Well I did do the update to 4.10.1, but it was on an apple phone IOS 16.2 on the Jk B2A20S20P. It did work for me however it also reset my cycle count. but at least my temp sensors are working and lost the warning. I have another issue regarding my capacity not climbing above 185 Ah on a 280...

UPDATE !!! JK BMS just pushed out a new update 4.10.1 an hour ago. ALL my issues are working at the moment, on 16.2 IOS. Both temp sensors are working normally Waiting to see if capacity rises above 185 ah.

UPDATE !!! JK BMS just pushed out a new update 4.10.1 an hour ago. ALL my issues are working at the moment. Both temp sensors are working normally Waiting to see if capacity rises above 185 ah.

Thank you, however after reading multiple posts I believe (hope) I have the issue at hand. I have two issues 1) "temp sensor abnormal" warning on app. I am hoping a soon updated fix to the app, will solve this issue. The warning came right after they pushed an update few days ago. (others having...

Steve_S How, if possible, can I install an older version of the app ? Do you know ?

Good news, happy you were able to contact them since I was unable for the past couple weeks. I do have a slight issue with my bms in that everything seems to be functioning normal with the exception that my capacity (280 Ah lifepo4) never rises above 183 Ah. This became an issue at the same...

Wow ! This is both great and terrible at the same time. This must be my problem as well. I contacted Hankzor BMS (seller) they informed me that the NTC cable is bad. I told them it is only 3 months since I bought the BMS. They are sending this at no charge. But it seems that you guys are...

uksa007 "Re the APP update, have you tried removing it, powering off the phone back on, and then tried install?" Yes I did, that did not do the trick. "What's wrong with BMS?" I keep getting the "temp sensor abnormal" flashing across the screen on the app...finally got hold of Hankzor bms...

uksa007 I have IOS 16.2 on the phone, the app seems to work, I just can't clear the "temp sensor abnormal" problem on my 48 volt system. HankzorBMS store is the seller...Yes, I tried to contact them as well, just received a reply an hour ago. Will try their requests to fix problem, Thanks !