Accessory Power Products are built to last. To prove it, Accessory Power offers the original purchaser a 1 year base warranty that can be extended at no charge to either an industry leading 3 year limited warranty or limited lifetime warranty according to the Product official Accessory Power Limited Warranty Seal. As long as the Product is purchased from an Authorized Dealer, registered within 30 days of purchase, and as long as the original purchaser can show valid proof of purchase, Accessory Power will replace the Product if it fails during normal and intended use. A satisfied customer is our best form of advertising.