Amplifier Replacement Battery For FIIO E17, E7

Product compatibility

This replacement battery is compatible with FIIO E17 and E7 Headphone Amplifiers. It perfectly replaces the original 523455 battery, matching the exact fit and performance required to keep your amplifier powered.

Performance and safety

Built with premium grade cells, the battery offers a robust 1000mAh capacity, stable 3.7V voltage, and an extended cycle life to ensure longer continuous playback 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 device.

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 (5.5 x 34.5 x 52.0 mm) 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 for FIIO E17 / E7 Amplifier.