Most people do not listen with the intent to understand; They listen with the intent to reply. They are either speaking or preparing to speak. They are filtering everything through their own paradigms, . If it has to do with a vessel's electrical system (marine charging or supply, Single or Dual Alternators, 12 volt DC, 24 volt DC, or 120, 208, 240 volt AC, ZRD is your source for answers, unique requirements, alternator parts and components alternator mounting bracket, pulleys, universal adjustment arm, transient spike protectors, alternator & battery temperature sensors, 3-stage external regulators, digital remote charging (for charging second battery bank, multiple battery banks, start batteries for engine, or a generator, windlass battery, thruster battery, .