Usable battery?

muckymits

Esteemed Pedelecer
May 31, 2011
419
2
Hows much in practice not theory is it possible to take from a battery. Was wondering as Ive just put almost 8AH back in to my 12AH headways for a 10 mile ride, was very cold and very muddy. Would hate to think I have to push it up the hill to get home.