The Ba 151 from Sennheiser is a high-quality replacement part for wireless headphone models that ensures reliable power supply. This NiMH battery is specifically designed for use with various Sennheiser models, including the wireless models RS 40, RS 45, RS 60, RS 65, RS 80, RS 85, as well as the headphones HDR 45, HDR 65, and HDR 85. By replacing the battery, users can extend the listening time of their devices, making it a practical solution for everyday use. With a voltage of 2.4 V and a capacity of 70 mAh, the Ba 151 provides reliable performance that meets the demands of modern audio devices.

• Replaceable battery to extend listening time
• Compatible with multiple Sennheiser models
• NiMH technology for reliable performance.