Hitech - Replacement Cordless Phone Battery for Radio Shack/Tandy CLT Series Phones, Including: CLT918, CLT926 Capacity: 700mAh Voltage: 3.6V Chemistry: Ni-Cd Equivalent to AT&T 90848 battery, Panasonic 3N-600AACL battery, and Sony BP-T33 battery See product description for list of compatible Radio Shack and Tandy cordless phones