About this replacement
Designed for Southwestern Bell, SBC, Sony devices. Compatible models include S60521, GE2-930SST, 2910SST, 2911SST, 2912SST, 2913SST, 2920SST, 2930SST, 52419, BT33, 239076, 9601783. Replacement part numbers include GP72AAS3BZ, NT72AAS3BX, TH72AAS3BZ, 3SN5AA72, 2-9005, BT-38. Key specifications: 3.6V, 1200mAh, Ni-MH.