At 06:12 PM 9/17/02, you wrote:
>John Wayland wrote:
>
> > [...] on that
> > note, consider how Evercell comes up to their 600 cycle
> > rating. They rate them at 600 cycles, because at that point,
> > the batteries are only delivering 80% of their rated
> > capacity....this means that there are still lots of usable
> > cycle left, and who knows how long they will keep going at
> > the reduced level?
>
>Bear in mind that this is the same rationale for the cycle life rating
>of PbA batteries also; end of useful life is considered to be when
>capacity drops to 80% of rated.
Actually, the manufacturers of lead-acid batteries often use 50%
capacity as the end of the cycle life.
_ /| Bill "Wisenheimer" Dube'
\'o.O' <[EMAIL PROTECTED]>
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