So far, in this Online Book, we have written about properly charging your batteries. But what battery type should you buy? Liquid filled, Gel, or AGM?
The first thing to understand is that all three types are lead-acid batteries and use the same electrolyte and are subject to the same vulnerability to failure from sulfating. So there is no best type. Rather the best battery for you depends on your usage profile. Let’s look at the three types and their different advantages and disadvantages in cruising yacht use.