ACDelco Conventional PowerSports Snowmobile, ATV, and Motorcycle Batteries feature advanced separator and through-the-partition construction to shorten the electrical current path and reduce resistance, resulting in boosted cranking power. Specialized Lead/Calcium alloy reduces self-discharge and maximizes starting power, even after months of storage. The durable transparent polypropylene container also makes checking the electrolyte level easy. PROPOSITION 65 WARNING: Battery posts, terminals and related accessories contain lead and lead compounds, chemicals known to the State of California to cause cancer,birth defects and other reproductive harm. Batteries also contain other chemicals known to the State of California to cause cancer. Wash hands after handling.