LiFePo4 vs Lead Acid...Some points of interest.

I just went out and checked the voltages...The only thing plugged into the battery is my Engel compressor fridge...The built in voltage meter on my battery box read 13.3 volts and the simple socket volt meter read 13.2 volts and the Victron......

3 tons wrote:
If those are your only specific grievances Sir (curiously deplete of important context...) then I’m completely unaware of any attempts whatsoever to ‘personally malign’ you...

Remarks should be considered within their proper context ...Making such ‘a claim’ shouldn’t be taken lightly, nor does it make it a actual fact - if such was the case, I could then wantonly counter that a ‘cavalier accusation’ made somehow equals a reverse maligning, but admittedly that kinda point for point gamesmanship (as occasionally occurs with a few ‘argument-centric’ forum post) would be plain silliness.... Just my level best opinion only...

3 tons

Please stop.

If those are your only specific grievances Sir (curiously deplete of important context...) then I’m completely unaware of any attempts whatsoever to ‘personally malign’ you...

Remarks should be considered within their proper context ...Making such ‘a claim’ shouldn’t be taken lightly, nor does it make it a actual fact - if such was the case, I could then wantonly counter that a ‘cavalier accusation’ made somehow equals a reverse maligning, but admittedly that kinda point for point gamesmanship (as occasionally occurs with a few ‘argument-centric’ forum post) would be plain silliness.... Just my level best opinion only...

3 tons

jaycocreek wrote:


Lifepo4...

I expected, because I've read, that the volt meters for lead acid were not accurate with lithium,not from what I've seen so far...I haven't drawn it down below 50% yet but above that ,there all the spot on but only in tenths for the standard volt meters..It would be interesting to them then compared in the hundreths where lifepo4 volt readings should be compared to the charts..

Just for a general idea of SOC,there very accurate to the tenth.

That is odd. You're right, the volt meters for lead should not be correct with LFP.


Here's a LiFePo4 voltage chart



Here's a lead chart

What kind of battery?

Lifepo4...

I expected, because I've read, that the volt meters for lead acid were not accurate with lithium,not from what I've seen so far...I haven't drawn it down below 50% yet but above that ,there all the spot on but only in tenths for the standard volt meters..It would be interesting to them then compared in the hundreths where lifepo4 volt readings should be compared to the charts..

Just for a general idea of SOC,there very accurate to the tenth.

3 tons wrote:
“I find your attempts to try to get personal instead of addressing the facts disconcerting. I've ignored a lot of it but now I'm going to ask you to stop.”

Just because I’m unwilling to pursue argumentative rabbit holes (thats just me...) is not evidence whatsoever of me making things personal Sir (how so??), nor do I play the ever popular Victim card (time-out nonsense...) on others...

3 tons

The bolded text above is one example.


Here are the others



Here you're deflecting and diminishing others without taking the points into account

No, Personally I would defer to sage engineering reasoning and avoid speculation - I’m sure that other’s (novices) may go different routes...

Here you're trying to start an argument about my motives and puffing yourself up in the process.

Well I find it kinda interesting that you’d choose to withhold that dissenting point of view ‘pending’ whatever my response was??...Having worked professionally with numerous engineers of various disciplines and opinions myself (not unlike expert Economist lol!...) while at the manufacture of Hydrogen and hydrocracking, I’ll easily stick by my previous judgement and let the free-lancers do what free-lancers do..,JMO

This is a pretty obvious dig, again trying to get personal

Critical thinking requires all sides (dimensions)
of the story...

Again, distracting from the points and trying to impugn and question my motive

You seem determined to impute from a distance that this is due to either a ‘bad meter’ (or I suppose operator error??), but you’d be wrong (meaning out on a speculative limb...)..

Accusatory and mocking

Freep, You must be having an argument with a ‘straw man’ - lol! ..

I can see you're trying to start a personal argument. I would like you to stop, please.


edit: I missed one

Insulting

. For ‘evidence’ you might try litigation...,

Edit: I would like to point out that 3 tons is displaying classic DARVO techniques.

“I find your attempts to try to get personal instead of addressing the facts disconcerting. I've ignored a lot of it but now I'm going to ask you to stop.”

Just because I’m unwilling to pursue argumentative rabbit holes (thats just me...) is not evidence whatsoever of me making things personal Sir (how so??), nor do I play the ever popular Victim card (time-out nonsense...) on others...

3 tons

jaycocreek wrote:
For what it's worth,,I have checked the Victron smart shunt against the volt meter on my battery box and the silly cheap plug in meter that goes in a socket,and there all the same,every time I check but only in tenths..

I figured they would be different from everything I've read,but there not...

What kind of battery?

I remember when we first got the camper and I didn't know how dumb the battery level meter was. I was astounded that I could run the hot water heater and the fridge on DC while the sun was out without draining the battery. Little did I know that it was only telling me the voltage of the whole DC system! I've learned a lot since then.

For what it's worth,,I have checked the Victron smart shunt against the volt meter on my battery box and the silly cheap plug in meter that goes in a socket,and there all the same,every time I check but only in tenths..

I figured they would be different from everything I've read,but there not...

3 tons wrote:
Freep, You must be having an argument with a ‘straw man’ - lol! ..,,From learned experience my position is “you usually get what you’re willing to pay for” (Victron $$).. But at least you’ve arrived at the conclusion that there IS the possibility of errors with straight coulomb counting, so we’ve made progress, eh :) , and kudo’s to you Sir if your favorite meter (unknown to me) is meeting all your expectations - sounds like you’ve saved a few bucks too!!... For ‘evidence’ you might try litigation...,


3 tons

I find your attempts to try to get personal instead of addressing the facts disconcerting. I've ignored a lot of it but now I'm going to ask you to stop.


Please address the chart and the points I presented. Also if you could point me to any evidence that Victron is using a different method than the other meters that would be great. I can't find any evidence that suggests they're doing it differently.