EarthX ETX24D Eco-Friendly Lithium Motorcycle Battery with Built-in Battery Management System Replaces Yuasa: YTX20-BS, YTX20L-BS, Y50-N18L-A-CX, YB16B, YB16CL-B, YB18-A, 51913, 52515, Y50-N18A-A, GYZ20L. Designed, engineered and assembled in the USA 2 year full coverage warranty (Not a prorated warranty that offers you the replacement at a discounted rate IF they dont void the warranty) Over discharge protection (#1 killer of all batteries and other brands do not protect against this and void the warranty) Terminal adapters are included with this battery if you have a front mount connection with the standard size of 6mm.