Daddy Tanuki
Solar Wizard
BTW happy new years!
Neey 10A balancer red LED flashing?
- Thread starter AshleyL
- Start date
Daddy Tanuki
Solar Wizard
Double post
Lt.Dan
Solar Wizard
Also make sure you are connecting 1-16, but also the last cable which is main cell positive, and the same as #16. The wiring diagram is very specific!
Daddy Tanuki
Solar Wizard
I might have failed that one up…. I am a Marine what you expect rainbows and Unicorn farts? ???
Nay, my Neey 10A is one of the new model which doesn't have the last pin B+ if you check the picture link at my first post.
Lt.Dan
Solar Wizard
Neey 10A active balancer help needed on wiring (No B+ pin? New model maybe?)
My Neey 10A active balancer finally arrived just now. To my surprise, this model doesn't have B+ pin after B24. How do I install this particular Neey 10A balancer on my 16S Lifepo4 pack? I understand that B- is connected to first negative and B01 - B16 will be connected to positive side of cell...
diysolarforum.com
It still uses the last pin on main cell positives though, right?
Nope, I am using 16s cells. The pin B24 is not connected to 16th main cell positive.Neey 10A active balancer help needed on wiring (No B+ pin? New model maybe?)
My Neey 10A active balancer finally arrived just now. To my surprise, this model doesn't have B+ pin after B24. How do I install this particular Neey 10A balancer on my 16S Lifepo4 pack? I understand that B- is connected to first negative and B01 - B16 will be connected to positive side of cell...
It still uses the last pin on main cell positives though, right?
Lt.Dan
Solar Wizard
Gotcha, I understand now
Daddy Tanuki
Solar Wizard
Now I am lost Lt Dan! I got bit in the ass!
Darn it. The 10A balancer beeping and red LED flashing non-stop again.
Based on the indicator status I found, the red flashing means "resistance of the equalizing line is too large".
Checked each Lifepo4 cell internal resistance, all around 0.18ohm.
Checked the wiring harness resistance, all wires fine 0.01ohm.
What exactly is wrong with the balancer. One day it works, another day it doesn't.
Any idea guys?
Based on the indicator status I found, the red flashing means "resistance of the equalizing line is too large".
Checked each Lifepo4 cell internal resistance, all around 0.18ohm.
Checked the wiring harness resistance, all wires fine 0.01ohm.
What exactly is wrong with the balancer. One day it works, another day it doesn't.
Any idea guys?
BartSolar
New Member
Hello Ashley,
I've had the same problem with this balancer: a fairly new device and sometimes it would stop working altogether. When I restarted the box it worked fine (green lamp + blue lamp), but when I connect via the Bluetooth it starts beeping and red LED. I have tried many things and now seem to have it under control for at least a few days and 3 rounds of full charge with balance. I had contacted the supplier who gave some tips, but it seems to me that the voltage is too high when the pack is fully loaded.
My steps:
- make sure your phone doesn't reconnect (passively/in the background) to the Neey (close app, I had connections from 2 competing phones).
- now discharge the battery as with normal use, I stopped discharging at about 60% capacity (of a 48V pack).
- Now disconnect (2 connectors) the Neey from the battery and leave it disconnected overnight.
- adjust maximum voltage of your battery to 55.2Volt. I was still working on the occasional top balance at 56.8V, there seems to be a problem there, apparently there is a maximum voltage of the pack that the Neey accepts.
- connect the Neey to the pack again (first cable harness 2 (cells 9 to 16) and only then cable harness 1 (- pole + cell 1 to 8), the Neey will then start up
- connect to the app (Enerkey) and look at the settings.
Since I did this, no more errors. I have asked the supplier for specifications of the Neey regarding max pack voltage etc because I still want to be able to do a top balance (occasionally) at 56.8V.
Good luck, Bart
That weird, my charging voltage is only 55.2V (16cells). The only way to get it working is to let it NEEY unconnected for few days as if waiting for the supercapacitor charge to run out. Yet, the same beeping issue still happen after few days of usage.
I bought another 10A balancer from other supplier (Enerkey) and there is no issue after continuous usage from February 2024 until now.
For experiment sake for the problematic Neey 10A, last week I plugged it into my new BatteroTech pack and guess what, after running well for 4 days, it beeping again....sigh.......
BartSolar
New Member
That's a shame, I hope it continues to work for me now.
I have also noticed that sometimes the Neey seems to 'reset' and sometimes not, it seems like errors in the boot process remain cached.
I also made an intermediate step once by first connecting 1 harness and configuring an 8P battery, then the Neey started up. I also worked for a while with 'only' 5A level instead of 10A. Against all knowledge
It's just really bad that it works so unreliably for something that just needs to run stable. I also had the plan to buy another brand, but I'm a bit afraid that this is 1 manufacturer that supplies them white-labeled to all parties.
Without doubting you
Are you sure that the pack is actually at 55.2V and a charger not accidentally charges it to a higher voltage?Attachments
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Yes, tried with Growatt SPF5000ES (Sinopoly) and SPF6000ES (Batterotech).That's a shame, I hope it continues to work for me now.
I have also noticed that sometimes the Neey seems to 'reset' and sometimes not, it seems like errors in the boot process remain cached.
I also made an intermediate step once by first connecting 1 harness and configuring an 8P battery, then the Neey started up. I also worked for a while with 'only' 5A level instead of 10A. Against all knowledge
It's just really bad that it works so unreliably for something that just needs to run stable. I also had the plan to buy another brand, but I'm a bit afraid that this is 1 manufacturer that supplies them white-labeled to all parties.
Without doubting you
3 different multimeters = measured the voltage at pack terminal too as requested by so called seller/technician.
Same issue where NEEY 10A will beeping and flashing red light out of nowhere after few days of usage.
The only way to "reset" the balancer is to let it unconnected for few days so the internal supercapacitors will be discharged. Then the balancer can be used normally again......before the same issue happens again after few days.
I believe there are certain faulty batches in circulation here.
Hi, I am having the same problem. I managed to get device going after initial 5 days use, by discharging internal caps. It has stopped again, so will try that trick again tomorrow.
When bluetooth connects, blue light goes hard on, 2-3 seconds later, fault led (red) begins flashing.
Well, I open the balancer and discharge all supercapacitors manually to save time.
Thanks. Yes, that is what I am planning to do tomorrow.
Update: used 2.5 ohm resistor to drop the 4 capacitors down to 2.6v (tried to get balancer working at 3v, but no luck) and it connected via bluetooth, and did balance job this afternoon. The caps were sitting at 3.25v this morning before discharging them, I see their nameplate rating is 2.7v.
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I guess three of us got faulty batch of the active balancer......sigh.....It is annoying to wait or manually discharge the internal supercapacitors.
Daddy Tanuki
Solar Wizard
pretty sure I got four of them that are garbage, thats why lately I have stopped watching off grid garage and a few other youtube channels.. there is money flowing from one account to another, all the reason to not trust the players involved.I guess three of us got faulty batch of the active balancer......sigh.....It is annoying to wait or manually discharge the internal supercapacitors.
BartSolar
New Member
My balancer is also off again Worked fine till I restarted the balancer by inserting the external powerplug (as a test).
What is a safe way to discharge these capacitors ?
Does any of you know if the balancer, once initiated and running, will balance in case the capacitors would cause the problem?
I.o.w. if I set it to run and do not connect by bluetooth would it work? I have had many days it seemed to work, but recently only clouds so pack has not come to balance start vol. If so, I set it to the parameters needed, set balance to On and could let it go...
Worked fine till I restarted the balancer by inserting the external powerplug (as a test).What is a safe way to discharge these capacitors ?
Does any of you know if the balancer, once initiated and running, will balance in case the capacitors would cause the problem?
I.o.w. if I set it to run and do not connect by bluetooth would it work? I have had many days it seemed to work, but recently only clouds so pack has not come to balance start vol. If so, I set it to the parameters needed, set balance to On and could let it go...
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