Quote Originally Posted by Atimm693 View Post
You can buy 100ah Lithium deep cycles for ~500 bucks right now. You have the advantage of being a lot smaller than those though.

They would have to be a whole lot cheaper for me to consider them. They are 5 times the price (not including the different charger that you need for them), and do not last 5 times as long. The weight savings is definitely not insignificant, but in my boat that is not a huge deal.
Even if you bought 12V 100 AH batteries for $500 ..... that would still be $1500 for a 36V 100AH.

I think your biggest problem would be to convince people you have a good warranty and that the battery meets all regulations.

Will this battery have Bluetooth communications?