ok heres the results it lasted approx 2 1/2 hours on the battery.

--- In nesmodifications@yahoogroups.com, "Donovan Flannery"
<donovan.flannery@y...> wrote:
>
> I'll do that give me a few days though
>
> --- In nesmodifications@yahoogroups.com, Jorge Bernal <jbguy2k2@y...>
> wrote:
> >
> > el dood!  that's freakin awesome, once the  battery runs out, tell
> us about how long it was cuz I wanna try that  and I wanna know how
> long it would usually last
> >
> > Donovan <donovan_flannery@y...> wrote:          i got bored one day
> a few months back and wired a battery to my NES it
> >   works awesome still not sure on how long it last on battery havent
> >   fully  used the power yet. so i got a portable NES heres a
picture ->
> > 
http://www.geocities.com/donovan_flannery/NESnintendomodification.jpg
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