1X Replacement Battery compatible with Apple, iPod touch, 4th Generation Power-up your Apple, iPod touch, 4th Generation and keep the music playing with this reliable, rechargeable, replacement battery Keep the music playing on your 30GB iPod, Video 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 Intelligent module prevents overcharging and overheating Long standby time Voltage: 3.7 V 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