Rechargeable Battery, Nickel Hydrogen for Sony:
- MDR-RF4000K
- MDR-RF810R
- MDR-RF810RK
- MDR-RF811RK
- MDR-RF811R
- MDR-RF840R
- MDR-RF840RK
- MDR-RF855R
- MDR-RF855RK
- MDR-RF860R
- MDR-RF860RK
- MDR-RF925
- MDR-RF925R
- MDR-RF925RK
- MDR-RF970R
- MDR-RF970RK
Part No: 175674722 (1756 74722, 175674721)