Inquiry (采购产品): Power Stacker PS-10 hello, I bought a PS-10 from Rand in June of 2006. the Battery said 5 years warranty and it won't take any charge for the last 6 to 8 months, and now it not even work with direct AC plug in. please help. I call AC Delco Batteries Company and they Said I have to contact your company. It had a charging problem when we first bought it and your company sent a replacement. please help. thank you. san 510.390.20204 sanwong@aol.com **** Hidden Message ***** San Manh 1036 47th Ave. Oakland, CA 94601 USA Company: Bay Concepts, Inc. Title: Owner Phone: 510.390.2024 Fax: 510.534.4515 E-mail: sanwong@aol.com **** Hidden Message ***** sanwong@aol.com