Sony BP Hp550-11 Headphone Batteries

SONY BP-HP550-11 Ni-MH 700mAh Product Description SONY BP-HP550-11 Ni-MH 700mAh CORDLESS BATTERY   Our part CPH-537 also fits these models   Sony BP-HP550-1 Sony BP-HP550-11 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