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dtbaker61
@dtbaker61
Estimable Member
Joined: October 17, 2024 9:00 pm
Last seen: November 27, 2025 12:44 am
Topics: 12 / Replies: 78
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RE: 12000xp open loop battery voltage bounces between float and bulk after batts are full

@krzysiek_kta it is not great for LFP to hold at 56v, and its hard on the BMS and charge controller to cycle on and off. There needs to be a reasonabl...

2 weeks ago
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RE: 12000xp open loop battery voltage bounces between float and bulk after batts are full

@krzysiek_kta I don't want closed loop comms, I want to program voltage setpoints. This is working correctly finally on a 6000xp system that is offgri...

2 weeks ago
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RE: 12000xp open loop battery voltage bounces between float and bulk after batts are full

I had the same problem with the first 6000xp I installed.... and it was eventually resolved with a firmware update. I would have hoped the same logic ...

2 weeks ago
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RE: 12000xp open loop battery voltage bounces between float and bulk after batts are full

@eg4eric 6x Midnite Solar powerflo-5. I do NOT want to use closed loop comm cables, which is why I set parameters as shown in top post to enable the ...

2 weeks ago
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RE: 12000xp open loop battery voltage bounces between float and bulk after batts are full

Here is a picture.... voltage is floating at 56 instead of 54 as defined. I consider this to be a BUG, and not happy about it since holding batteries ...

2 weeks ago
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RE: one of two new 12000xp delivered DEAD ?! what's next ?

@sullyman I think you need either: - a 48vDC power supply, or - 240vAC, or - 100+vDC into PV MPPT

2 weeks ago
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RE: Daylight Savings Time

what I am finding so far is that the timezone GMT setting will override the clock setting, so the only way to approximate what I want to see for "dail...

3 weeks ago
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RE: Daylight Savings Time

I have a related but different take on this. I have an offgrid install where I am more interested in setting system time up so that the reports consid...

3 weeks ago
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RE: one of two new 12000xp delivered DEAD ?! what's next ?

@eg4eric , I went to the site today and did a little testing. Here are the results: - turned on PV input, unit remained dead - turned "power on" w...

4 weeks ago
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RE: one of two new 12000xp delivered DEAD ?! what's next ?

I will check for battery terminal input failure later today. If something internal has shorted.... what is the fix, and can it be done in the field,...

4 weeks ago
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RE: one of two new 12000xp delivered DEAD ?! what's next ?

@eg4eric there is no Grid at this site, and no generator yet. I do have the PV available, but I thought the batteries had to be connected first to pow...

4 weeks ago
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RE: Monitor shows reverse power flow to rather than from grid

you might try flipping CTs so the other side of the donut is toward the inverter

1 month ago
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RE: 12000xp - install & commissioning Q & A and comments

@frugal-farmer I don't mind using a different mfg battery since I prefer "open loop" charge control with voltage setpoints I can see and control. I...

1 month ago
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