Antigravity Batteries 12-Cell OEM Case 360 CA 12Ah YT12BS-12 Ultra-Lightweight and Hight Power Lithium Nano-Phosphate Motorsport Battery Direct Replacement for the Lead/Acid YT12-BS model yet offers much better cranking amps and saving about 6 pound of weight! Can hold a charge up to a year provided there are no Parasitic Drains (accessories that draw power when the bike is offsuch as alarms, ECUs, ipods, GPS , heated grips etc) Built in the USA to high quality standards with unbreakable terminal design. Can be used in watercraft up to 700cc 3-Year Warrantycheck manufactures website for details (antigravitybatteries.com)