I did have a 2 seater Pro. I sold it yesterday and now I am buying a new boat. The issue I have been having has been getting pricing on 36 volt batteries period. I was ready, if the price was what I thought it would be, to drop the coins and get 2 and simply put them in the 2 front mounting brackets in the center storage and be done with it. But when it seems to be impossible to get price and delivery on 36 volt batteries period, the next path in a 36 volt lithium setup would be to get 3 of the 12 volt units and series them. If I end up going with 3 batteries the 3rd battery has to be mounted either under the oil tank or in the port side storage where my last boat's cranking battery was located. Hopefully I can get 2 of the 36 volt lithium's and not have to do any creative mounting of a 3rd battery.