Everydaysource Compatible With MICROSOFT Zune 30GB Battery w/ Tools

1X Li-Ion Replacement Battery w/ Tools for Microsoft Zune 30GB. NOTE: Zune Generation 1 only. Keeps the music playing on your Microsoft Zune with this replacement battery. Comes with the necessary plastic tools to open up your Zune. No memory effect. This is a rechargeable Li-Ion (Lithium Ion) Polymer battery with premium cell. Voltage: 3.7 V. Accessory ONLY, electronic not included. Note: A technician is recommended for installation. Our company is not responsible for any damage caused by installation of this accessory. Compatible With Microsoft:. Zune 1st Gen. 30GB.