Insten Battery for 20GB iPod 4G

1X Li-Ion Battery compatible with Apple ; iPod ; 4th Gen/Photo Keeps the music playing on your Apple ; iPod ; with this replacement battery. Comes with the necessary tool to open up your iPod ;. This is a high capacity/rechargeable Li-Ion (Lithium Ion) battery with premium cell. Voltage: 3.7 V Dimension: 1.94 x 1.37 x 0.13" [49.28 x 34.80 x 3.30 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.