Yuasa Yt12B-Bs AGM Battery Yuasa AGM Batteries is an absorbed-glass mat battery that eliminates the need to ever add water, and permits the battery to be totally sealed and spill proof once it is filled with acid. The acid is absorbed in special plates and AGM separators. With the advanced lead-calcium technology, these batteries hold their specific gravity more than 3x longer than conventional lead antimony batteries. Features: Packs more power, discharges less in storage and has a longer life than conventional batteries Spill-proof design and construction have passed vibration and pressure differential spill-proof tests Acid is absorbed in special plates and AGM separators 1 year manufacturer warranty Does not come charged Acid pack included Battery is non-returnable once acid has been installed Specs: Dimensions: 6 long, 2 3/4 wide, 5 1/8 high 215 CCA (Cold Cranking Amps) Battery Terminal Location: Note: Product may vary from photo. Charge and test all batteries prior to using.