2 Pack - Replacement for Sony MDR-RF925RK Battery - Compatible with Sony BP-HP550-11 Headphone Battery (700mAh 2.4V NI-MH)
Home Audio & Theater2 Pack - Replacement for Sony MDR-RF925RK Battery - Compatible with Sony BP-HP550-11 Headphone Battery (700mAh 2.4V NI-MH) value — New $9.99. Prices updated July 2026.
Used
—
New / Sealed
$9.99
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Item details
- Brand
- Upstart Battery
- Category
- Home Audio & Theater
This is a 2 Pack of Upstart Battery replacement batteries, designed to be compatible with the Sony BP-HP550-11 Headphone Battery. It features a 700mAh 2.4V NI-MH specification.
These batteries are sought after by owners of Sony MDR-RF925RK headphones who require replacement power sources.
The resale value is driven by the battery's condition, its completeness as a 2-pack, and its specific compatibility with the Sony model.
Price guide
What this actually trades for — sold values by condition vs. what sellers are asking today
| Condition | Value | Based on |
|---|---|---|
| New / Sealed | $9.99 | eBay sold comps |
Frequently asked questions
- Are these batteries compatible with all Sony headphones?
- These batteries are specifically designed as a replacement for the Sony BP-HP550-11 Headphone Battery.
- What factors determine the resale value of these batteries?
- Resale value is determined by the battery's condition, its completeness as a 2-pack, and its specific edition.
- What is the voltage and capacity of this battery pack?
- The Upstart Battery pack features a 700mAh capacity and operates at 2.4V.
