Sony
Sony BP HP550 11 Rechargeable Battery for MDR-RF Headphones
★★★★★
11 in550 mAh
Power Your Sony Headphones with a Genuine Replacement Battery Ensure uninterrupted listening with this genuine Sony BP-HP550-11 rechargeable battery. Specifically designed for a range of Sony wireless headphones, this replacement battery provides the power and reliability you need to enjoy your f...
$23.50*
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.
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Overview
Power Your Sony Headphones with a Genuine Replacement Battery
Ensure uninterrupted listening with this genuine Sony BP-HP550-11 rechargeable battery. Specifically designed for a range of Sony wireless headphones, this replacement battery provides the power and reliability you need to enjoy your favorite audio.
Specifications:
- Type: Rechargeable Nickel-Metal Hydride (NiMH)
- Configuration: 2X AAA batteries
- Voltage: 2.4 V
- Capacity: 550 mAh
- Dimensions: 1.1" x 0.9" x 0.5" (L x W x H)
- Compatibility: SONY MDR-RF912RK, RF925R/RK, RF970R/RK, RF810R/RK, RF811RK, RF840RK, RF850RK, RF855RK, RF860RK, RF4000/K, IF245RK wireless Headphones
Note: This battery is NOT compatible with Sony MDR-RF995R. Please verify your headphone model before purchase.
Key Features
Note! Choose correct battery. The Headphone model is printed under charging tower. The BP-HP550-11 battery can NOT fit Sony RF995R (RF995R uses the HP800 battery, see ASIN B07J1VWBPS)
New Genuine original SONY rechargeable battery BP-HP550-11 in manufactures original sealed packaging
The battery will fit SONY MDR-RF912RK, RF925R/RK, RF970R/RK, RF810R/RK, RF811RK, RF840RK, RF850RK, RF855RK, RF860RK, RF4000/K, IF245RK wireless Headphones
Type: Rechargeable Nickel-Metal Hydride (NiMH) 2X AAA batteries. Capacity; Voltage: 2.4 V, Amp Hours: 550 mAh
Dimensions: 1.1" x 0.9" x 0.5" (L x W x H)
Specifications
Brand
Sony
Battery Type
Rechargeable Nickel-Metal Hydride (NiMH) 2X AAA
Voltage
2.4 V
Capacity
550 mAh
Dimensions (L x W x H)
1.1" x 0.9" x 0.5"
Compatibility
Sony MDR-RF912RK, RF925R/RK, RF970R/RK, RF810R/RK, RF811RK, RF840RK, RF850RK, RF855RK, RF860RK, RF4000/K, IF245RK wireless Headphones
Packaging
Manufactures original sealed packaging
Pros & Cons
👍 Pros
- Offers a genuine Sony BP-HP550-11 rechargeable battery ensuring compatibility and original specifications
- Provides a Nickel-Metal Hydride (NiMH) battery type with a 550 mAh capacity and 2.4 V voltage
- Fits a wide range of Sony MDR-RF series wireless headphones, including RF912RK, RF925R/RK, and RF970R/RK models
- Comes in the manufacturer's original sealed packaging, assuring an authentic and new product
- Compact physical dimensions of 1.1" x 0.9" x 0.5" make it a precise fit for designated headphone models
👎 Cons
- Specifically cannot fit the Sony RF995R headphone model, requiring buyers to verify their headphone model carefully
- Requires users to identify their headphone model under the charging tower to ensure purchasing the correct battery
- The battery is exclusively for specific Sony MDR-RF series headphones, limiting its general compatibility
- Only one battery is included, so users needing spares will need to purchase additional units
- The 550 mAh capacity might be considered moderate for users seeking extended listening times
Frequently Asked Questions
Which Sony headphone models is this BP-HP550-11 battery compatible with?
This battery is compatible with Sony MDR-RF912RK, RF925R/RK, RF970R/RK, RF810R/RK, RF811RK, RF840RK, RF850RK, RF855RK, RF860RK, RF4000/K, and IF245RK wireless headphones.
Can this battery be used with the Sony RF995R headphones?
No, the BP-HP550-11 battery is explicitly stated to NOT fit the Sony RF995R headphone model, which requires an HP800 battery.
How can I confirm if this is the correct battery for my Sony headphones?
You should check the headphone model number, which is typically printed under the charging tower of your Sony MDR-RF headphones, to ensure it matches the compatible models listed.
What are the electrical specifications of this rechargeable battery?
The battery is a Nickel-Metal Hydride (NiMH) type, offering 2.4 Volts and a capacity of 550 mAh, designed to fit specific Sony wireless headphones.
Does this battery come as a new and authentic Sony product?
Yes, this is a new, genuine original SONY rechargeable battery BP-HP550-11, and it is provided in the manufacturer's original sealed packaging.
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