Patona PT6723 Headphone Battery 700mAh Ni-Mh for Sony BP-HP550-11 MDR-RF4000

The Patona PT6723 is a high-quality replacement battery designed for Sony headphones, specifically models BP-HP550-11 and MDR-RF4000. With a capacity of 700mAh and a voltage of 4V, this Ni-Mh battery provides reliable power for extended listening sessions.

• High capacity: 700mAh ensures long playback time
• Ni-Mh chemistry: Durable and environmentally friendly
• Perfect fit: Direct replacement for Sony BP-HP550-11
• Easy installation: No modification required

Restore your Sony wireless headphones to full performance with this dependable Patona battery. Ideal for home or office use.