Replacement Wireless Headset Battery for Bose PR-452035, QuietComfort 20, QC20

Product compatibility

This replacement battery is compatible with the Bose QuietComfort 20 and QC20 Acoustic Noise Cancelling Headphones. It perfectly replaces the original PR-452035 battery, matching the exact fit and performance required to keep your noise-cancelling headphones powered.

Performance and safety

Built with premium grade cells, the battery offers a robust 240mAh capacity, stable 3.7V output, and an extended cycle life to ensure longer continuous working time. It includes a built-in PCM (Protection Circuit Module) providing comprehensive protection against overcharging, over-discharging, and short-circuits, ensuring maximum safety for both the user and the headphones.

Certifications

Each battery is strictly certified to meet international safety and transport standards, including UN38.3 (lithium battery transport safety), IEC62133 (portable battery safety), and relevant UL standards. It is also fully RoHS compliant, meeting stringent environmental and safety regulations.

Easy replacement

Designed with precise dimensions (5.0 x 20.5 x 37.0mm) and the correct connector, this battery is 100% compatible with the original, making installation fast and straightforward. It is the ideal plug-and-play solution to ensure you have dependable, uninterrupted power when you need it most.

Package include

1 x replacement battery PR-452035 for Bose QuietComfort 20 / QC20 Headphones.