COMPATIBILITY: This battery only fits for Samsung Galaxy S9. Please carefully confirm your phone model before purchase. Upgraded Battery Cell: Built with brand new original SDI Li-Po cell to ensure the best performance and long-lasting battery life. Tips: A new battery needs at least three full charging and full discharging cycles to complete the calibration Pre-installed Adhesive: Battery adhesive is pre-installed for effortless installation, and the package includes a pre-cut back cover sticker for your convenience Step-by-step Instruction: The battery comes with a detailed instruction manual to help you walk through each repairing process, you'll find it is an easy task for you to complete the repair yourself Comprehensive Toolkit: The kit has every tool you need for repairing, it's professional, safe and easy to use, help you to perform your repair efficiently GREEN FUSION Compatible with Samsung Galaxy S9 Replacement Battery, EB-BG960ABA Battery for Galaxy S9 SM-G960, with Instruction, Toolkit