Antigravity Batteries 8-Cell OEM Case 240 CA 9Ah YTZ7-8 Lithium Battery High Power, Ultra Light wieght Lithium Nano-Phosphate Motorsport Battery Double the power and 50% weight savings over Lead/Acid Version. Built in the USA to high quality standards with unbreakable terminal design. Waterproof and has over 35% more power than the comparable Shorai battery. 3-Year Warranty standard usecheck manufactures website for details (antigravitybatteries.com)