Are you confronting the above dilemma?? Not only budget wise. What is the right choice? What is the right type for what application. We find this is always an issue with related pre-opinions involving tradition and old class LEAD ACID approach.
This has to be attacked in a logical and sometimes scientific approach. Yes there are other issues to take into consideration when reaching the suitable conclusion. This is the only path when trying to do right by the owners and vessels.