Ballistic Performance EVO2 Battery Charger Size: One Size Style: Battery Color: Black Warranty: 3-year warranty. See manufacturer site for full details. These batteries are manufactured for Motorcycles, ATVs and Jet-Skis, any other manner of use voids the warranty. Buyer is responsible for shipping with any warranty claim. Any parasitic draw(clock, alarm, computer, faulty wiring, etc) way void the warranty.