Opinions and preferences are like A____ , everyone has one.
So I don't encroach on the threads / ideas of others I figured I would post some of mine here , separately.
I see a lot of this as a personal preference and/or usage conditions effected choices kind of thing ... ie ... there is no ...
Just a few thoughts on M cell size NiMH batteries in relation to the Gen-1 Honda Insight.
The M cell size is the size one full step larger than the F ...
AAAA ( the size in '9v' batteries )
Like the other sizes there can be slight variation between different manufactures...