The CS-SRF860SL is a replacement rechargeable battery for Sony products.

This battery replaces the following OEM part number(s):

• Sony BP-HP550-11

This battery is compatible with the following model(s):

• Sony MDR-RF860
• Sony MDR-RF4000
• Sony MDR-RF970
• Sony MDR-RF970RK
• Sony MDR-RF925
• Sony MDR-RF925RK
• Sony MDR-RF4000K
• Sony MDR-RF860RK
• Sony MDR-RF850
• Sony MDR-RF850RK
• Sony MDR-RF840
• Sony MDR-RF840RK
• Sony MDR-RF810
• Sony MDR-RF810RK
• Sony MDR-IF245RK

Specifications: