You keep extra batteries around the house for your remote controls and other electronic gadgets, right? So, where is your extra cordless phone battery? It's right here! This Sprint NiCd battery can be used with many AT&T, Sony, Sprint, Toshiba, and V-Tech 900 MHz cordless phones. It replaces the following OEM batteries: AT&T 3470; Sony BP-T23; Toshiba TRB-9100; V-Tech 80-4032-00-00.