Ni-MH Battery for Sony MDR-IF245RK MDR-RF4000 MDR-RF4000K 2.4V 700mAh

Fit to the device models:Sony 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.

eBay