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 ) AAA AA A C D F M Like the other sizes there can be slight variation between different manufactures...