About this replacement
Designed for Sony, Toshiba, NorthWestern Bell devices. Compatible models include SPP-52, SPP-62, XC801, XC810, XC815, XCA550, XCA555, FT-3005, FT-5005, FT-7007BK, FT-9007, RC004288. Replacement part numbers include BP-T21, 1-528-638-11, TRB-5000, 23-954, BBTY-0324001, BT-801, BT-810, BT-811, BT-815. Key specifications: 2.4V, 300mAh, Ni-MH.