As soon as you unpack your XS Power IntelliCHARGER, record the following information and besure to keep your proof of purchase.Serial Number (on back panel)Purchased FromPurchase DateIf you need to contact Customer Service, please record the following details before calling. Thisinformation will help our representatives give you better service.Battery type, brand, and voltage:Is this used with a portable generator?Description of the problem:Contact informationXs Power2847 John Deere Dr. Suite 102Knoxville, TN 37919Ph: 888.497.7693 (toll free North America)Ph: 865.688.5953Fax: 865.281.9844info@xspowerbatteries.comwww.xspowerbatteries.cominformation AboutYour systemXS Power IntelliCHARGER User GuideInfo/ContactTell Us About Your system865.688.5953 xspowerbatteries.com