While Ted doesn't think that Polaris would have a use for Brammo technology in their utility vehicles, I think it would work very well in their jet skis and snowmobiles.
If I had to guess it will be an electric motorcycle, probably another empulse type bike, but the cruiser sounds like it could be a possibility in the future. It's just most of the current cruiser crowd I've ever met seems a little slow to adopt new things, so my guess the market is a lot less for now.
As far as a jet ski or snowmobile? While a good idea from an environmental standpoint, difficult from a practical one. I was discussing this with a friend of mine and he mentioned how there aren't any small displacement machines like this for a reason. Most have huge engines like 1100, 1200 cc and higher. The power requirement to push through snow or water is many times higher than rolling down the road.
So not only sustained power would need to higher as far as power delivery, but the battery might need to be so large as to be cost preventative for a decade or more or until a major size, weight, cost breakthrough is achieved. Having a jetski that runs for 3-4 minutes before it needs to dock and charge for an hour might not be fun. And a snowmobile that does the same, and then either won't charge because of low temperatures or has voltage and power sag after running for a few minutes could have issues with consumer adoption as well.
So based on what I've seen in the electric motorcycle industry from between 2006 and 2015, I'm not counting any chickens in the alternative powersports industry for perhaps a decade or more, and even then it will be mostly a novelty item for those who need the silence factor and can afford the highest end toys money can buy. Because one thing is certain: These will not be affordable by most people, or be severely limited in their performance or both for quite a while.
However all profitability and practicality aside, I'd love to see one of these available too!