Nice. Keep charging them.... Let's see them above 3.45V again.
Very cool buddy thanks for sharingSure can! Let me get some more but this is all I have on me right now also I have a quick walk through video if you are interested.
Exactly!!!Unfortunately BMS defaults are all over the place and generally wrong. These box shifters have no idea how to set these up or even what you are talking about.
Once they had taken your payment and shipped your units they really will not talk to you ever again.
Cell 9 most likely triggered HVD.
Lots of options. Post in thread 'Install and Operation of the SUNGOLD 10KW 48V SPLIT PHASE SOLAR INVERTER' https://diysolarforum.com/threads/i...-split-phase-solar-inverter.71345/post-980170Today battery 1 (which is now address 2 and no longer the master) again got into OVP and again it is cell 9. So this battery stopped at 54.52V.
The other 4 batteries still accept a small charge. One cell is as high as 3497mV but no OVP. BMS status says "full" instead. All4 batteries show 56.30 to 56.34V (while under charge)
What can I do about the one that goes OVP? Just ignore it?
Will they or will voltages drop to the flat part of the curve?All 5 will be perfectly balanced at/ after sunset.
Don't feel bad, mine aren't either.Not so balanced right now:
View attachment 189558
I'd be watching packs 2 and 5 closely. They likely won't have full capacity since the cells that are still below 3.3xV aren't full...Fully charged by mid afternoon...maybe still a bit of balancing going on...
and btw the changes I made to the bms last night (Balance Threshold (3.5 -> 3.4 and Balance Delta 30 -> 20) did not change in all 5 BMSs as I thought. It has to do with connecting, disconnecting and reconnecting to the new battery... the PBMStools seems to hold the info in the BMS Parameters screen unless you follow the full disconnect the application, unplug and move the rs232 cable , reconnect, re-read the BMS Parameters.
(If you reread them without disconnecting and reconnecting it appears to hold the previous information)
View attachment 189565
I'm not quite sure what you are talking about because they are all above 3.3 in that referenced image.I'd be watching packs 2 and 5 closely. They likely won't have full capacity since the cells that are still below 3.3xV aren't full...
Those would do it. If I'm charging from the grid I use setting 28 to adjust current.I am sorry to ask, but which settings would that be?
View attachment 189591
And [07] for the current?
【15】<【12】<【04】<【14】<【35】<【37】<【05】<【09】=【11】again
Was this relationship not true on yours or was some deviation causing a problem?This should be pinned at the top of this thread, if the forum software provides such a thing.
Was this relationship not true on yours or was some deviation causing a problem?
I agree it may be important, I'm still not certain though. I'm still learning all this and that and everything.
It seems important when going to user mode.
I will join the dark side tomorrow.
My imbalances are caused by a too high charging voltage, I was told.
Edit: just hooked up my first 240V circuit.. car charger. The inverter had to work hard for the first time. No smoke though.
I agree that reducing the max charge voltage to keep cell 9 from spiking. my cell 9 was doin te same thing which is why I settled on 55.2 for bulk charge it gets to 100 soc fairly quick but stops the cell 9 from triping OVP. You can still get to full with less voltage but I found 55.2 gets there fairly quick while maintaining cell 9 from OVP.Lots of options. Post in thread 'Install and Operation of the SUNGOLD 10KW 48V SPLIT PHASE SOLAR INVERTER' https://diysolarforum.com/threads/i...-split-phase-solar-inverter.71345/post-980170
I'd reduce charging voltage and max charging current to start.
Will they or will voltages drop to the flat part of the curve?
Don't feel bad, mine aren't either.