Amazon.com: i-Blason Battery Case Designed for iPod Touch 7/6/5, 2200mAh Portable Charging Rechargeable Extended Battery Slider Case for iPod Touch 5th/6th/7th Generation, Black : Electronics
iPod Touch 4 Battery Repair | My iPod Won't Hold A Charge - YouTube
New iPod Touch 4G: Internal Hardware Revealed – Huge Battery – Product Reviews Net
Battery For Apple iPod Classic 4th Gen Photo 20GB 30GB 40GB 60GB A1099 616-0206 707943777746 | eBay
Amazon.com: MPF Products 930mAh 616-0550, 616-0551 Battery Replacement Compatible with Apple iPod Touch 4 (4th Generation) A1367 8GB, 16GB, 32GB, 64GB with Installation Tools : Electronics