Replacement Battery for Sony BP-HP550-11 Ni-MH 700mAh;

Replacement Battery for SONY BP-HP550-11 Ni-MH 700mAh

CPH-537 also fits these models

Sony BP-HP550-1
Sony MDR-RF4000
Sony MDR-RF400RK
Sony MDR-RF810
Sony MDR-RF810K
Sony MDR-RF840
Sony MDR-RF840RJ
Sony MDR-RF850
Sony MDR-RF850RK
Sony MDR-RF860
Sony MDR-RF860RK
Sony MDR-RF925
Sony MDR-RF925RK
Sony MDR-RF970
Sony MDR-RF970RK



Non-OEM Replacement Battery

CPH-537 also fits these models

Sony BP-HP550-1
Sony MDR-RF4000
Sony MDR-RF400RK
Sony MDR-RF810
Sony MDR-RF810K
Sony MDR-RF840
Sony MDR-RF840RJ
Sony MDR-RF850
Sony MDR-RF850RK
Sony MDR-RF860
Sony MDR-RF860RK
Sony MDR-RF925
Sony MDR-RF925RK
Sony MDR-RF970
Sony MDR-RF970RK