BikeMaster BB14L-A2 Conventional Battery  The BikeMaster Conventional Battery is designed with all of the new applications you'll be using with your bike in mind. The battery comes with an acid pack and a one-year manufacturer's warranty. Features: Includes lead acid pack  Dimensions are 134mm L x 89mm W x 164mm H (5.3" L x 3.5" W x 6.5" H) 14Ah capacity 12 voltage Battery is non-returnable once acid has been installed One year warranty Note: Recommends charging and testing all batteries prior to use.