BEWARE: There are Antigravity knock-offs being sold on Amazon. These units will likely fail and are NOT covered under warranty. Billet Proof Designs offers authentic Antigravity Products at the lowest allowable price which means that it will be covered under Antigravity’s warranty. If the item is being sold under MAP price $197.99 it is likely a knock-off. Even if it is authentic, it will NOT be covered under warranty. ONLY PURCHASE FROM A SELLER THAT IS OFFERING THE ITEM AT MAP PRICE OR HIGHER. This is a direct replacement for the stock lead/acid battery with TWICE the power yet weighs 6 pounds less! The Antigravity Batteries YTZ10 is a direct replacement for the OEM version of the YTZ10’s lead/acid battery found in many models of motorcycles and power sport vehicles. It also replaces the YTX9 and YTX7A. It saves about 6 pounds in weight. Great for those seeking extra power and massive weight savings. Weighs 2 Pounds 4 Ounces. • 360 Cranking Amps (12Amp Hours PB Eq) Capable of cranking 2000cc 4 cylinder racecars! 1000cc everyday use bike. Mounts ANYWHERE. Even upside down. Vibration resistant. Can hold a charge up to a year provided there are no “Parasitic Drains.” Built in the USA to high quality standards with large all brass unbreakable terminal design. Industry leading 3-Year Warranty! • Waterproof! (Please note that the battery box pictured is for demonstration purposes ONLY) Dimensions: Length= 5-7/8″ Width= 3-7/16″ Height= 3-3/4″ Weight= 2 Pounds 4 Ounces (Metric) Length= 150mm Width= 87mm Height= 93mm Weight= 1 Kg Included: Battery (Charged) Adhesive backed foam (2) Terminal Bolts. Fitment: Excellent for use in bikes up to 1000cc. Excellent for race vehicles up to 1300cc. Excellent for race cars up to 2000cc. Please note if you use older classic bikes from mid 1980s and earlier you should update the charging systems to a modern voltage regulator. A damaged voltage regulator can overcharge the battery and damage it.