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Thread: Battery Capacity
www.piclist.com/techref/power/batterys.htm?key=battery
face picon face BY : email (remove spam text)(Olin Lathrop)



Tomás Ó hÉilidhe wrote:
> People have said to me already that a battery's "capacity" depends on
> what current you're drawing from it, and that's why you can't put a
> concrete figure on it as simple as "This battery has 760 milliwatt
> hours".
>
> Is the reason that it depends on the current you're drawing from it to
> do solely with the internal resistance of the battery?

Think about it.  If a perfect battery with 0 internal resistance was rated
for 1AH and you put 10ohms in series with it, how many AH can the battery
and resistor deliver to the load?


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