Most Lithium cells are rated down to about 2.6-2.8V, so 3V is already margined. 3.5 is ~half capacity for all NMC that I know of, so I had no reason to challenge the data in the chart.
Duncan republished a chart he effectively endorsed as a mechanical engineer. Good enough for me - I interpreted the chart and went on with my full day.
I like & respect Duncan
...but, mechanical engineering & electrical engineering are very different fields of expertise
...& as such, those who are educated in either of those specific fields, have different skill sets
I like & respect Yabert too
...but, his info was gathered & composed by a DIY'er in a "home setting"
So, I'd at least analyze & compare
his data to the USDOE data (which had multiple test subjects & the tests were performed over several years)
...& "if" the data gathered by the (2) different entities co-oberate's, with each other (then, I'd rely on it)
You have changed the subject and ignored the chart - you need to point to the data in the chart, and say where it's wrong.
I pointed out, that my assertion, about the voltage reading of Chevy Volt modules, can be used as a fuel gauge was co-oberated
So, analyzing (simply looking at) the DOE data, under battery specifications it lists:
Base Vehicle: 2013 Chevy Volt
Manufacturer: LG Chem
Number of Cells: 96
Nominal Cell/System Voltage: 3.7/355.2V
Rated Pack Energy Capacity: 16.5kWh / 45.0Ah
Min/Mav cell voltage: 3.00V -4.15V (I'm pointing to data on the chart)
Now, let's compare that data, to some Real World Data (posted on Aug. 28, 2022)
"Well, my buddy with the 48V golf cart (converted to Chevy Volt Lithium modules 2- 48V 50AH)
...but, somehow, last week he drained them too low.
* I'm not sure if his low voltage cut-off is not set properly
...or if he just forgot & left the system "on" overnight?
When he brought them to me, they looked like this & showing 37.4V (~3.1V per cell)"
* I don't know for sure but, I'd say he initially/accidentally ran them down to probably ~ 2.5V per cell
Here is a link to the original post
Buying used Chevy Volt battery modules/pack questions
Again, I don't want to argue.
...but, I do want to establish actual facts (parameters)
...specifically about these Chevy Volt modules
...so, (I) we can "safely" work within those parameters (facts)