Lenmar CB02419 AT&T 1231 2125 & 2725 Cordless Phone Replacement Battery Fits AT&T(R) 1231, 2125, 2725, 2820, E2125, E2715, E2725B, E5603, E5630, E5634, E5915B, E5925B, ID-2820; Motorola(R) MD-4150; Olympia(R) CDP-24106; Replaces AT&T(R)-Lucent Technologies(R) 00578, 2419, 2420, 80-5542-00-00, 80-5543-00-00; AT&T 1231, AT&T(R) 2231, 2419, 2420; 3.6V; 700mAh;