From John C. Payne, one of the foremost international authorities on marine electrical systems and electronics, comes an easy-to-understand yet thorough treatment of boat batteries and battery charging. Concise, compact, and illustrated for easy reference, Understanding Boat Batteries and Battery Charging: Second Edition has been fully revised throughout. This guide offers comprehensive coverage of the following major topics: Lithium, lead acid, AGM, and gel batteriesBattery ratings and selectionSafety and maintenanceInstallationCharging, including solar and windAlternators and regulators