Yuasa YUAM2290B 12N9-4B-1 Battery 12 Volt, 9 amp-hour battery Polypropylene case and cover has superior resistance to gasoline and oil, withstands extreme weather conditions Poly-seal terminal seal eliminates acid seepage reducing corrosion and extending battery life Dry-charged plates retain 70-80 percentage state of charge when initially filled with acid Dry battery - battery acid not included