Yuasa YUAM6230XPW Lead_Acid_Battery 12 volt, 30 amp-hour, 385 Cold Cranking Amps, high performance maintenance-free battery Totally sealed and Spill-proof - all acid is absorbed in special plates and absorbed glass mat separators No need to ever add water Advanced lead-calcium technology hold its specific gravity more than 3 times longer than conventional batteries Battery supplied Dry with Acid bottle