Is Charger Mounted Over Battery Bad?

Last week's dirty battery post raised a good comment from reader Mike. Basically he was questioning whether the blue case visible at the top of the photo was a battery charger and if so, he was commenting that it is not a good thing. Good eye Mike! You are right, at least based on ABYC Standard A-31 which is pretty clear about mounting battery chargers and other equipment directly over a battery. To quote directly from the standard: "To avoid corrosive fumes, battery chargers, inverters and ...