Insten 3.7V Replacement Li-Ion Battery for iPod nano

1X Li-Ion Battery compatible with Apple, iPod nano, 1st Gen Keeps the music playing on your first generation iPod nano, with this replacement battery. Comes with the necessary plastic tools to open up your iPod,. This is a high capacity, rechargeable Li-Ion (Lithium Ion) battery with premium cell. Voltage: 3.7 V Dimension: 1.6" x 0.8" x 0.125" [40.64 x 20.32 x 3.18 mm] Accessory Only. MP3 not included. Apple, does not endorse use of these products. Note: A technician is recommended for installation. Our company is not responsible for any damage caused by installation of this accessory.