I've got 160Ah cells, giving 8kWh total or 6.4kWh usable. the nice thing is that Lithiums are barely affected by Peukerts effect, so they deliver almost their entire rating, even at high amp loads, like 100A. Flooded cells can lose more than half their rated capacity to Peukerts at these kind of loads. Add in Lithium's lifespan and they probably cost less than even flooded cells in the long run for Wh per dollar. They are pricy up front...
Eric
--- In electricboats@yahoogroups.com, Qsk <qskaye@...> wrote:
>
> How many AH are you putting on your ketch? I am going with 320 for my 48vdc system on my 40 footer.
>
> Sent from my iPhone
>
> On Jul 26, 2010, at 11:25 AM, "Eric" <ewdysar@...> wrote:
>
> > These are the Lithium batteries that have been available to DIYers for the past few years at reasonable costs. I have a set of Thundersky Lithium Iron batteries for the conversion of my 30' ketch.
> >
> > The DIY EV guys have been able to build 100 mile per charge car conversions that cost about $25k for a while.
> >
> > Fair winds,
> > Eric
> > Marina del Rey, CA
> >
> > --- In electricboats@yahoogroups.com, Kirk McLoren <kirkmcloren@> wrote:
> > >
> > > http://www.designnews.com/article/509514-Nissan_Bets_on_the_Electric_Car.php
> > >
> > > 100 mile range they claim
> > >
> >
> >
>
Monday, July 26, 2010
[Electric Boats] Re: new battery
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