Batteries are an enigma for many boaters. What power rating do you need? What size? How do you install one? How do you maintain one? How long will it last? How do you know it’s starting to die? These are all reasonable questions. Some are straightforward such as the size and power-rating, especially when replacing an existing battery. Installation is fairly straightforward, as is maintenance. However, things get tricky when forecasting end of life. Experience has proven that forecasting battery life is a bit like predicting the weather – it’s tough to get it right. A number of factors [...]