Insten 1300mAh Battery and Screwdriver for 4GB/6GB iPod mini Compatible With Apple: iPod Mini 4GB/6GB. Apple iPod, iPhone, or iPad are registered trademarks of Apple, Inc. Products are Apple compatible and not endorsed by Apple, Inc. Keep the music playing on your iPod with this replacement battery. Voltage: 3.7 V. Weight: 2.5 oz. Dimension: 1.55 x 1.13 X 0.13 inches. Note: A technician is recommended for installation. Our company is not responsible for any damage caused by installation of this accessory.