@jlankford Thanks for the suggestion. Actually, I did not even realize the indoor batteries had heaters. I thought only the outdoor version had them. ...

@gigadudeAre you getting any error or warning on the inverter?Do you have the inverter online? If so, can you share the inverter serial number so I ca...

@eg4eric there is no error message or warning. When it reboots everything comes up normally as well.

@dtbaker61 I shut everything off, batteries included. Usually the batteries are almost fully charged and I am not going to be there for several wee...

@ep357Are you getting any errors or warnings?Can you share a video of this happening?

@gtsquires I saw that they're indoor batteries, but plenty of people install those in unheated sheds so it seemed like a reasonable question. The 224 ...

And another mystery. At 5 am when there is no PV activity and no battery discharge, I export power to the grid for 5 minutes.  

@jlankford These are the INDOOR wall mount batteries. Per the manual, the heaters will come on at 32 F and turn off at 41 F. My basement temps might g...

How cold are these batteries? My first guess is that this is caused by heater discharge. FYI, the 18Kpv EPS standby consumption won't look like this...

@jlankford Here are the graphs for 2/1/26 and 2/2/26. What do you surmise, or what would you expect to see?

What does your vBat graph look like?

why do you shut down when you leave? Why not leave it up so PV can maintain batteries ? how completely do you shut down ? i.e. batteries "off" to mi...

And it is still happening - day 2. Am I powering the universe? I do not know if it is significant, but when I "READ" this, it always times out. So...

  You are mixing AC amps and DC amps. Look at the specs again and then re-state your question. 90 amps AC @ 240VAC = 21,600 watts. 50 amps DC @...

EG4c, Since I don't work for EG4 and have no skin in the game, I'll hazard a reason. But first, some background: I'm a retired in-house systems int...