Rechargeable Battery NI-MH BP-HP550-11 for Sony MDR-RF810RK MDR-RF810R | eBay
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Kastar 6-Pack BP-HP550-11 2.4V 1000mAh Ni-MH Battery Replacement for Sony MDR-RF4000RK MDRRF4000RK, MDR-RF4000-1 MDRRF40001, MDR-RF810 MDRRF810, MDR- RF810RK MDRRF810RK, MDR-RF840 MDRRF840 Headphone - Walmart.com
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Sony MDR-RF995 MDR-RF995RK WH-RF400 Replacement Battery: BatteryClerk.com Headphone
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New Rechargeable Battery 550mAh 2.4V For Sony MDR-RF810RK MDR-RF810R Headphones Battery BP-HP550-11 - AliExpress
How to Replace the Battery on the Sony Noise Cancelling Headphones - MDR-ZX110NC - YouTube
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User manual Sony MDR-RF810RK (English - 2 pages)
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Sony MDR-RF810R products - BatteryUpgrade
CJP-Geek AC / DC Adapter For Sony MDR-RF810 MDR-RF810R MDR RF810RK MDRRF810RK Rechargeable Wireless Stereo Headphone Power Supply Cord Cable Battery Charger PSU - Walmart.com
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Sony MDR-RF810 Battery Replacement
