LFP on Shore Power with Inverter/charger?
An inverter/charger requires that you have a battery connected (or some 12v source) so it will supply any 12v to the RV. (Unlike a converter that will do 12v with no battery) Some say not to float...
Forum Discussion
IMO that does not pin the thing down---nailing Jello to the wall and all that. It is all too wishy-washy for me.
If I had one, I would get it as full as I could (won't take any more amps) and then run one of my capacity tests. If I assumed 120AH is full, I would run it down at 6 amps for 10 hrs and note the Trimetric monitor's AH counter. If it came to 60 AH in 10 hrs I would say it is indeed a 120AH batt.
If it came to 55 AH, I would say it is a 110 AH batt. Whatever it came to, I would use that as my capacity for monitoring it. ( I might have to run another test at 5.5 amps to be accurate) I would adjust the capacity for temperature like I do now, so I have a pretty good idea what I have in the bank while camping. At least I would feel like I have a real number.
I don't like how you can't measure an AGM with an hydrometer, but at least you can use the AH count and compare that with voltage to see if they "match". LFPs are even worse it seems! Now you can do the AH count, but can't easily "match" that to a voltage. Phooey. I like to cross check to verify meters and gauges.
You guys can sort it all out to suit yourselves, which is how it is supposed to be. Meanwhile, I can keep on with my Fred Flintstone methods. :)
If I had one, I would get it as full as I could (won't take any more amps) and then run one of my capacity tests. If I assumed 120AH is full, I would run it down at 6 amps for 10 hrs and note the Trimetric monitor's AH counter. If it came to 60 AH in 10 hrs I would say it is indeed a 120AH batt.
If it came to 55 AH, I would say it is a 110 AH batt. Whatever it came to, I would use that as my capacity for monitoring it. ( I might have to run another test at 5.5 amps to be accurate) I would adjust the capacity for temperature like I do now, so I have a pretty good idea what I have in the bank while camping. At least I would feel like I have a real number.
I don't like how you can't measure an AGM with an hydrometer, but at least you can use the AH count and compare that with voltage to see if they "match". LFPs are even worse it seems! Now you can do the AH count, but can't easily "match" that to a voltage. Phooey. I like to cross check to verify meters and gauges.
You guys can sort it all out to suit yourselves, which is how it is supposed to be. Meanwhile, I can keep on with my Fred Flintstone methods. :)
