CSB Battery HR1227WF2 FR is specifically designed for high efficient discharge applications. Rated at 12V 6.5Ah (27 Watt per cell), its characteristics are small volume, light weight and high discharge efficiency. It can be used for more than 260 cycles at 100% discharge and has a design life of three to five yeas in standby service. Highest Rated Capacity (6.5Ah) for its size F2 Terminal (0.250in) Flame Retardant Case Designed specifically for the AT&T Digital Life Controller and other Home Alarm Systems *AT&T and Digital Life are registered trademarks of AT&T, in the United States and other countries.**Product names, logos, brands, and other trademarks featured or referred to within AtBatt website are the property of their respective trademark holders in the United States and other countries. These trademark holders are not affiliated with At Battery Company, Inc.