On Dec 11, 1:45*am, wrote:
Why is it that rechargeable batteries state the capacity,eg., 2500 mAh
but the 'use once' sort don't?
Probably because it's not in their interest. Better to show bunnies going
on and on...

Also when one question is answered, the next one is raised. And the
next one would be why do so many one shot batteries give only a
fraction of their rated capacity in real life apps. Some questions are
better left unasked.

Is it really true that a primary cell takes more energy to manufacture
than you'll get out of it, or just an urban myth?

MBQ