From: theise@panix.com   
      
   On Sun, 1 Dec 2024 10:24:27 -0600,   
     sticks  wrote:   
   >  On 11/30/2024 8:41 PM, Ted Heise wrote:   
      
   > > Okay, I was able to get out to the trailer this afternoon.   
   > > It was about 29 F.  I installed the battery and put a   
   > > multimeter across the two terminals.  It read 13.28/13.29 V,   
   > > same as the app (which showed 13.3 V and 99% SOC).   
   > >   
   > > After turning on at the disconnect and opening the propane   
   > > tank, I fired up the Truma on gas only and heat only (no water   
   > > heater because it's drained) and the fan on eco.  It fired up   
   > > and ran fine for ~6 minutes with hot air starting to come out   
   > > of the nearest vents.  The multimeter showed ~13.21 V, and the   
   > > app also showed 13.2 V with an estimated 40 hours of run time.   
   > >   
   > > I then changed the fan speed to high, and ran it out to half   
   > > an hour without it shutting off.  The temp in the trailer had   
   > > risen from 29 to 40 F by then and the multimeter still showed   
   > > ~13.2 V.   
   > >   
   > > So it seems all is well, and I should get a night's worth of   
   > > heating from the battery.  The only other thing that would be   
   > > running would be the fridge, and that would be on propane and   
   > > drawing electricity only for the controls.  So not much, I   
   > > think.   
   > >   
   > > Not sure why the furnace was shutting down after a couple of   
   > > minutes back in early October.  It's possible the battery was   
   > > too, low, but I'm pretty skeptical of that.  Maybe more likely   
   > > is the air temp in the unit was not enough lower than what I'd   
   > > set the thermostat at for it to stay on.  That also seems   
   > > unlikely, though I don't recall exactly what the temps (in   
   > > trailer and set point) were.   
   > >   
   > > Guess I'll leave it be and hope all is fine next time we need   
   > > it.   
   >   
   >  Looks like you're getting more familiar with the app and the   
   >  batteries. Nice job.  It looks like the key to these lithium   
   >  batteries is in actually getting them fully charged.  At least   
   >  now you know it does all work, and if needed you could always   
   >  pull out the generator if you're freezing.   
      
   Thanks for the support, sticks/wolverine01--much appreciated!   
      
   I should have added that the multimeter readout went back up to   
   almost 13.3 V after I shut down the furnace.  The app showed the   
   same and 98% charged.   
      
   --   
   Ted Heise             West Lafayette, IN, USA   
      
   --- SoupGate-DOS v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)