T-Pain Is On A Boat: Re: [Electric Boats] Electric Yacht system

Tuesday, September 1, 2009

Re: [Electric Boats] Electric Yacht system

That is very expensive for LIFEPO4. I just built a 24v 40AH pack for my
Torqueedo. It was ~$1.10 per AH + shipping + BMS/charger. Total cost was
less than $600.00

Chris

On 9/1/09 3:13 PM, "postal6@juno.com" <postal6@juno.com> wrote:

>
>
>
>
> The following web-site is claiming $3.50 per ah up to 100 ah with
> built-in battery management: http://www.iloveebikes.com/batteries.html.
> They are using a lithium iron phospate battery, and will build it to the
> customer's specs. The web-site has a comparison chart with other types
> of lithium batteries and appears impressive. Just would like a opinion
> from someone who has used one. The battery is suppose to be capable of
> up to 2,000 cycles.
>
> Don
>
> On Tue, 01 Sep 2009 17:53:02 -0000 "ewdysar" <ewdysar@yahoo.com
> <mailto:ewdysar%40yahoo.com> > writes:
>
> Don,
>
> I am just beginning my project, my first post here was just a few weeks
> ago, right about the time that I started doing my research into the
> feasibility of going electric with this boat. I'm still working on
> getting the old Yanmar SVE12 out of "Serenity".
>
> Your 48v lithium for $600 may or may not be a bargain, it depends on the
> AH capacity. I know that EV components http://www.evcomponents.com/ sells
> a 48v 20AH battery with a built in battery management system (BMS) for
> about $770 (US residents have a 10% surcharge to cover ocean shipping and
> duties). you would need 4 of them to get to the same storage as your 4
> group 27 wet cells.
>
> I'm going to have similar kinds of problems with prop size, though with a
> full keel and the prop in an aperture, I may be more limited than you
> are. This configuration does simplify my system, because regen has little
> chance of working, so I can skip that part of the drive system.
>
> Fair winds,
> Eric
> Marina del Rey, CA
>
> --- In electricboats@yahoogroups.com <mailto:electricboats%40yahoogroups.com>
> , postal6@... wrote:
>> >
>> > Eric,
>> >
>> > How far along are you in your conversion ? I too plan on a second bank.
>
>> > I have recently heard a 48v lithum can be bought for under $600, which
>> > would constitute a bargain. Scott will be sending a 100ib unit...
>
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