BP-HP550
$ 19.95
BP-HP550: 1.2v 700mAh NiMH battery for SONY wireless headset MDR-RF820, DS3000. Cross-ref: 1-756-316-21, 1-756-316-22, BF-TDSY, MDR-DS3000, MDR-IF240RK, MDR-IF3000, MDR-IF540RK, MDR-RF820, MDR-RF885RK, MDR-RF920RK, MDR-RF925RK, MDR-RF960R,MDR-RF960RK.