Service Centers. 1  Dallas: 1-469-791-4000. 2  Hartford: 1-860-627-9491. 3  Ft Lauderdale: 1-954-622-1200.  Wichita: 1-316-946- 1 2287. Tucson: 1-520-746-5100.
For more information on this limited warranty, contact: Interstate Batteries, Customer Service, 12770 Merit Drive, Suite 300, Dallas, Texas 75251. You may also contact IB by phone at 888-772-3600 or visit www.interstatebatteries.com.
For additional product information, go to the Microsoft Hardware website at http://www.microsoft.com/accessories. For fastest replacement of broken or defective products call warranty directly: For US warranty support, call (800)-360-7561. For Canadian warranty support, call (800)-933-4750. Or see this KB article for more information: http://support.microsoft.com/kb/326246.