Three AA batteries in plastic housing with two contacts on back. 3.6 Volt NiCad Cordless Phone Battery. Fits models; AT&T 9002, AT&T 9050, AT&T 9105, AT&T 9107, AT&T 9110, AT&T 9111, AT&T 9200, Bell South TL6502, Lucent 9002, Lucent 9105, Lucent 9105UT, Lucent 9107, Lucent 9200, Radio Shack 23-295, Radio Shack 43-8009, Sony BP-T23, Sony SPP-A92, Sprint Batteries, V-Tech