AT&T has to replace the batteries in the cabinets for U-Verse IPTV because of
four fires have broken out in different locations. AT&T doesn't feel comfortable with the batteries that provide backup power to over 17,00 of its equipment cabinets in neighborhoods across the United States. There is no immediate guess as to how quickly AT&T can replace all the batteries and has declined to answer any questions on the costs of the effort.
Saveaccess.org provides some images of the fire started by the exploding batteries in Wauwatosa, Wisconsin.