Antigravity Batteries 16-Cell OEM Case 480 CA 16Ah YT12BS-16 Ultra-Lightweight and Highest Power Lithium Nano-Phosphate Motorsport Battery made in this format 40% more powerful than a Shorai battery of similar size! Can be used in watercraft up to 1000cc 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 large all brass terminal design 3-Year Warranty (standard use)check manufactures website for details (antigravitybatteries.com)