Microsoft Zune HD 700mAh Extended Life Battery Replacement 16gb 32gb 64gb and All Zune HD Touch Screen Models Compatible with Zune HD 16GB/32GB/64GB models (Works in ALL Zune HD touch screen models) A very easy install with all tools included for the job. T-4 Driver, T-6 Driver, Tri-Wing Driver, 2 Safe Case Open Tools Installation Instructions at RapidRepair.com