Synergy Digital Cordless Phone Battery, Compatible with AT&T Cordless Phone Battery (2.4, Ni-MH, 600mAh)Specifications:Voltage: 2.4VCapacity: 600mAhmAhComposition: Ni-MHCompatible with AT&T Cordless Phone(s): STB-93Compatible with Cobra Cordless Phone(s): CP2500-702, CP-705, CP-711, CP-712, CP-714Compatible with GE Cordless Phone(s): PCH0Compatible with Panasonic Cordless Phone(s): KX-TC1000, KX-TC1000B, KX-TC1001, KX-TC1001W, KX-TC1002, KX-TC1004, P-P305PA, TYPE 14, HHR-P305, HHR-P305A, HHR-P305A/1B, HHR-P305PA, P-P305, P-P305A/1B, KX-TC1040W, KX-TC1045, KX-TC911, KX-TCM1004, KX-TCM939, KX-TCM941, KX-TC1005, KX-TC1006, KX-TC1010, KX-TC1025, KX-TC1026, KX-TC1040Compatible with Radio Shack Cordless Phone(s): 23-9084, 960-1849, 23-908Compatible with Rayovac Cordless Phone(s): CO119P2, CO119PCompatible with Southwestern Bell Cordless Phone(s): S60529, S6052