Compatible with iPhone 11 (Model A2221,A2111,A2223). NOT FOR iPhone 11 Pro/ 11 Pro Max Version or other models, Check the model number on the back of your phone Strong endurance: Adopting advanced lithium-ion technology, it provides long-lasting power support, ensuring that your cell phone is always fully charged in daily use without frequent charging. Safe and Reliable: Adopting high quality battery, it has passed many international certification tests such as CE. With over-charging, short-circuit and other protection functions to ensure stable and reliable battery performance and long service life. Free Repair Tool: Professional repair tool kit is free with purchase, with the replacement tutorial video on YouTube, easy to complete the battery replacement, no need to spend extra money to find tools. Service Guarantee: Comprehensive service guarantee is provided, you can contact us at any time for any problems. Whether it is installation guidance or after-sales support, we will be happy to serve you. Svenirven Battery for iPhone 11, 2025 New Upgraded Battery Replacement for iPhone 11 A2111,A2223,A2221 with Professional Repair Tool Kit