all laptop - desktop batteries are not created equal. the gateway 6500640 replacement battery is the right choice for those seeking performance and efficiency. only the best components are used in the manufacture of the 6500640. it's also guaranteed to meet or exceed the original gateway specifications. thank you for making batterytex your provider of replacement batteries at everyday low prices. save time, money and hassle and get your batteries at unbeatable prices at batterytex.com. give us a call now at 1-888-825-6661 for more information and great deals on this item. browse or search our great inventory of laptop - desktop batteries batteries here. check out more great items for gateway products. from their materials to the technology used in manufacture, modern batteries far out-perform their predecessors. each warranty can vary however normal manufacturer warranties are one year. let us know if you have questions on any specific item's warranty. ** SILVER **************