Replacement Battery for SONY BP-HP550-11 Ni-MH 700mAh
Replacement Battery for SONY BP-HP550-11 Ni-MH 700mAhCPH-537 also fits these modelsSony BP-HP550-1Sony MDR-RF4000Sony MDR-RF400RKSony MDR-RF810Sony MDR-RF810KSony MDR-RF840Sony MDR-RF840RJSony MDR-RF850Sony MDR-RF850RKSony MDR-RF860Sony MDR-RF860RKSony MDR-RF925Sony MDR-RF925RKSony MDR-RF970Sony MDR-RF970RKNon-OEM Replacement BatteryCPH-537 also fits these modelsSony BP-HP550-1Sony MDR-RF4000Sony MDR-RF400RKSony MDR-RF810Sony MDR-RF810KSony MDR-RF840Sony MDR-RF840RJSony MDR-RF850Sony MDR-RF850RKSony MDR-RF860Sony MDR-RF860RKSony MDR-RF925Sony MDR-RF925RKSony MDR-RF970Sony MDR-RF970RK