This is a generic, equivalent one, 100% compatible. This 3.7V 0.8Wh Replacement Li-Polymer battery is designed to compatible with Apple iPod Nano 7 7th Generation Gen 616-0639.

Specifications:
* Product Type: generic/equivalent
* Battery Voltage: 3.7V
* Battery Capacity: 0.8Wh
* Chemistry: Li-Polymer
* Condition: new, 1 Year Warranty!
* no memory effect so that you can charge battery at anytime.
* Integrated microchip prevents overcharging & lengthens battery life.

Compatible Part Numbers:
616-0639
616-0640

Compatible with the following devices:
For iPod Nano 7th
For iPod Nano 7

Package Included:
1 x 3.7V 0.8Wh Replacement Battery for Apple iPod Nano 7 7th Generation Gen 616-0639