A fossil fuel is a fuel formed by natural processes, as anaerobic decomposition of buried dead organisms, containing organic molecules originating in ancient.
Battery materials include Cathode, Anode Materials, Casing Materials, Battery Current Collectors, Conducive Materials, Graphene and Graphite Oxide, and Binders.
A solar charge controller manages the power going into the battery bank from the solar array. It ensures that the deep cycle batteries are not overcharged.