eForCity Replacement Battery for iPod mini Dimension: 1.55 x 1.13 X 0.13 inches. 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. Note: A technician is recommended for installation. Our company is not responsible for any damage caused by installation of this accessory. Compatible with all Apple iPod Mini Voltage: 3.7 V. Weight: 2.5 oz.