As I mentioned earlier a customer destroyed this 6V bank in one winter. When I found the batteries in the spring the positive posts/case were all heaved up and distorted. The batteries had almost no water in them, and when filled, would not take a charge and hold it.


In the fall these batteries had passed all tests with flying colors, the cases were not distorted and they had been full. I charged, equalized disconnected them and left them for winter.. The owner came in a few weeks later and connected a small controller-less solar panel after reading the West Marine article.....


Oops, a $500.00 mistake!!