GNHBus,
What does "Marine Battery Management Systems" actually mean? I googled the term and the only companies coming up are for marine house batteries. None of them are using any sort of advanced technology.
I have a Lithium battery bank in my 30' ketch, and I certainly don't condider myself "mega wealthy". My total cost for a passive battery managment system was less than $250 to protect my $3500 battery bank. Active battery management systems are more expensive but still less than an advanced mid-voltage battery charger. The products are out there. They're reasonably priced. At this point there is no real demand. If you want to encourage demand in electric boat drive systems, i.e. more conversions, take more people out on your electric boat. Show them how the compromises can be a good choice for some users. With their feedback about your boat, you'll find that electric is not a good choice for most boaters, both pleasure and commercial. This is a niche industry and I'm glad to be a contributing part of it.
Eric
PS. I didn't convert my 27' racing trimaran to electric when I re-powered it 2 years ago. The value proposition didn't pan out for electric, regardless of the price, I wouldn't have done it for free.
--- In electricboats@yahoogroups.com, GNHBus@... wrote:
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> .... The best example I have at the moment is Marine Battery Management Systems. The latest technology with the highest performance is usually expensive up front, that is an economics discussion, Supply/Demand, (supposedly Free Market Society) so if a person must invest $ 10,000 in a Batt Man Sys to get the performance needed, it is an Investment Decision, the more people that can make that decision quicker, leads to a lot of growth. Incentives for the early investors.
> Otherwise, there is a continuous investment in less than adequate existing technology that stalls the whole process of advancement.
> There are numerous stories about how many & how much Lead Batts to power a really nice electric system, or maybe pay a little more for AGM, but Lithium Batts???? "that's for the mega wealthy", LOL! If you think about it, it really isn't, it's for everybody to benefit, the price point comes into balance as the volume increases, the volume increases through demand, demand increases through desire & incentives, such as a low interest lease, with tax deductible interest & percentage of the investment.
> What if I told you the best Batt Manag Sys tech was available for $ 150 month ?
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