About this replacement
Designed for Sony, AT&T, Radio Shack devices. Compatible models include SPP-9104, SPP-A2470, SPP-A2740, SPP-A9171, SPP-S9000, SPP-S9001, SPP-S9101, SPP-S9104, S31, 23-9079, 23-958, 43-8025. Replacement part numbers include BP-T31, S31, 23-9079. Key specifications: 3.6V, 600mAh, Ni-MH.