Measuring pack AH capacity

[MCJEFE]

So I have a question in regards to measuring AH of our packs. I'm thinking about adjusting my voltages to 4.1 to 3.7v, for pack longevity, which I know leaves me with approximately 80% or ~96 AH of my usable battery capacity. Just to satisfy my curiosity I would like to actually measure what the remaining capacity of my pack is.

I believe that the most accurate capacity measurement should be done at 1/3C or charging at approximately 15-20 amps. What I'm wondering is if I can get a reasonably accurate capacity measurement by running the pack down to 3.7v/cell and measure it charging back to 4.1 using my 10 amp charger and an inline amp-hour meter.

I was thinking of using something like this:
HTRC 200A High Precision Power Analyzer Multi Meter for Measuring Power Watt (W) Voltage (V) Current (A) Charge (Ah) Energy (Wh) (8 Gauge Wire) https://www.amazon.com/dp/B07GB71YSB..._uFYmDbGVHGJMQ


Any opinions appreciated...

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[Gainerman]

I have some leftover sparky coil packs I wired in parallel , draws 35 amps at 37 volts , about what my cart draws at cruise . Set my kitchen timer for 10 min intervals to monitor voltage , and let em rip.