Compatible Phone Model: This battery kit is only compatible with OnePlus 8, not for OnePlus 8 Pro, please double confirm your phone model before purchasing Quality Li-ion Cell: Built with brand new zero cycle original Li-ion cell, manufactured and tested under UL2054 test standards to ensure the best performance and long-lasting battery life. NOTE: A new battery requires at least three full charge and discharge cycles to properly calibrate the battery management system Professional Repair Toolkit: This kit includes every tool you need for the repair process. It's professional, safe, and easy to use, giving you the confidence to complete your repair efficiently Detailed Repair Guide: The package includes a complete and detailed repair guide, allowing you to easily handle the repair yourself with convenience and peace of mind New Replacement BLP761 Battery for OnePlus 8 (Not for OnePlus 8T), Upgraded Li-ion Battery Kit with Repair Tools & Manual