Hitech - 2 Replacement Cordless Phone Batteries for Radio Shack/Tandy 23353, 3KR600AAL, 433849, 9601438, CASA900, CS0320, GESPCF01, TAD727, and Other Similar Models Capacity: 700mAh; Voltage: 3.6V 2 Batteries! 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