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GSo, I have (2) 16kwH batteries on the way with MB31 EV cells installed. The batteries are prepackaged batteries from Docan. They are...
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GGFruge replied to the thread Bad JK BMS????.I kept the old BMS’s just in case anything happens. Too long of a lead time for anything to get down here. But hopefully I’ll have...
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GGFruge replied to the thread Bad JK BMS????.I’ll try another protocol tomorrow. Maybe I can select another option that will allow me to connect to the CAN port instead of the...
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GGFruge posted the thread Help with priority or floating issue, I guess in DIY Solar General Discussion.I recently changed my BMS on my Lifepo4 batteries and top balanced as I was having issues. Finally got the BMS up and going and used...
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GGFruge replied to the thread Bad JK BMS????.I’ll post this last post issue in the general discussion section as I’m not sure if it’s inverter or BMS issue.
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GGFruge replied to the thread Bad JK BMS????.Thanks for all of the help. Everything is setup and going now. I’m still using the RS485 port. When I went in to the UTAP protocol I...
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GGFruge replied to the thread Bad JK BMS????.I use iPhone IOS. Not android.
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GGFruge replied to the thread Bad JK BMS????.You’ll see in the last picture that the top battery was at 43% SOC and bottom battery fully charged. Batteries started giving problems...
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GGFruge replied to the thread Bad JK BMS????.I put everything back exactly how things were before I did the top balance and change the BMS. Attached here is the before picture for...
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GGFruge replied to the thread Bad JK BMS????.I was reading through the instruction manual earlier that looks identical to the screenshot you took. I did see the jumper settings and...
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GGFruge replied to the thread Bad JK BMS????.I probably burnt both BMS’s. Got error message 20 on Growatt inverter. Unless the jumper settings are different from the last BMS On...
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GGFruge replied to the thread Bad JK BMS????.We’ll see if Lady Luck was really on my side. When I first touched the connections, a nice arc hit with a little smoke from around the...
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GGFruge replied to the thread Bad JK BMS????.The little stickers is what stood out to me as circled in the attached pictures.
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GGFruge replied to the thread Bad JK BMS????.The positive and negative symbols are not visible on the batteries because of the bracket between the battery posts. I guess when I...
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GGFruge replied to the thread Bad JK BMS????.Thanks for the suggestions. Found my issue. A mistake of not paying very close attention. Thanks
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GGFruge replied to the thread Bad JK BMS????.Seems like it’s not the BMS. The board that was supposedly not working is working in the other battery pack. When I join the Bat+...
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GGFruge replied to the thread Bad JK BMS????.Just swapped everything over. All cables and power switch works. I’ll swap the board to the one not working and see what it does
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GGFruge replied to the thread Bad JK BMS????.Everything is checking out fine with continuity. I’ll try the switch and everything besides the board itself on the one that’s working...
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GGFruge replied to the thread Bad JK BMS????.Continuity is good. Reading 000.6
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GGFruge replied to the thread Bad JK BMS????.And if this BMS proves to not be good, can I have 2 different BMS? I’ll install the old one to get the batteries put back into the system.
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