The Powerstar PS20-BS-HD is a 12 Volt 20 Ah 310CCA AGM Sealed Lead Acid battery, and fits a variety of applications, including: Motorcycles, ATVs, Jetskis, Snowmobiles, and more! Replaces YTX20-BS and more. This battery provides Great starting performance, Low self-discharge, a Long life & Maintenance free design! PowerStar's unique construction and sealing technique ensure that no electrolyte leakage can occur from the terminals or case of any PowerStar battery. This means no filling, no spilling, and the ability to mount the battery in any direction. See the full specifications & a full list of makes and models this battery fits below!