Today i installed a 3000mAh battery and an iflash quad with 4x 64gb micro sd cards in a customers iPod classic 7th gen. To book a mail in repair: Buy iPods here: Buy parts here: 3000 mAh Battery: Clickwheel: frontplate: iflash quad: Timestamps: 00:00 - ipod classic 6th gen 128GB limitation explanation 00:48 - opening the ipod 09:54 - removing the old hard drive and battery 11:13 - installing the new hard drive 13:00 - double checking the rear housing 14:45 - installing the new battery 14:53 - restoring the ipod with itunes and testing it works 15:34 - sealing the ipod back up opening tools: Custom front and rear housings plus the 3000mah batteries available here: If you have any other issues feel free to ask in the comments as I will probably be able to help .