Batteri - 1,68Wh. Sony BP-HP550-11, Kompatibel med enheter: MDR-IF245RK, MDR-RF4000, MDR-RF4000K, MDR-RF810, MDR-RF810RK, MDR-RF840, MDR-RF840RK, MDR-RF850, MDR-RF850RK, MDR-RF860, MDR-RF860RK, MDR-RF925, MDR-RF925RK, MDR-RF970, MDR-RF970RK, MDR-RF811RK, MDRIF245RK, MDRRF4000, MDRRF4000K, MDRRF810, MDRRF810RK, MDRRF840, MDRRF840RK, MDRRF850, MDRRF850RK, MDRRF860, MDRRF860RK, MDRRF925, MDRRF925RK, MDRRF970, MDRRF970RK, MDRRF811RK, MDRRF855R MEDION MDR-RF970RK, MEDION MDR-RF970, MEDION MDR-RF925RK, MEDION MDR-RF925, MEDION MDR-RF860RK, MEDION MDR-RF860, MEDION MDR-RF850RK, MEDION MDR-RF850, MEDION MDR-RF4000, MEDION MDR-RF4000K, MEDION MDR-RF810, MEDION MDR-RF810RK, MEDION MDR-RF840, MEDION MDR-RF840RK