Nope.
The data acquisition is in my humble opinion, flawless. Two ears and a tail.
My inability to produce graphing here left me frustrated in showing the relevance of my Vmax charging regimen and value of 2nd stage 14.0 vdc charging with generator. Your graph illustrates this point beautifully.
Observation and reaction to trends & tendencies data are worth their weight in gold. All my A to D data disappeared when I was hospitalized 26-years ago. It was fun. Configuring a reactive charging regimen to the data was an obsession. Brings back fond memories.
What can be done for many hundreds of dollars these days, took many tens of thousands of dollars and hundreds of hours of untallied labor back then. But it was worth it.