Antigravity Batteries 12-Cell OEM Case 360 CA 12Ah YTZ10-12 Ultra-Lightweight and Powerful Lithium Nano-Phosphate Motorsport Battery Direct Replacement for the Lead/Acid YTZ10s model yet offers much better cranking amps and saving about 6 pounds! 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 large brass heavy duty terminal design. 3-Year Warrantycheck manufactures website for details (antigravitybatteries.com)