[13000mAh]Battery for iPhone 12/12 Pro, 2025 New Upgraded High Capacity 0 Cycle Li-Polymer Replacement Battery for iPhone 12 Models A2172, A2402, A2403, A2404 with Complete Professional Repair Tool Kit IMPORTANT NOTE: 1. Please confirm your phone model at the back of your Phone before placing an order. 2. To reach optimal performance, please use the original charger or use big current charger to charge the battery. 3. To extend battery life, drain the battery, then recharge to 100% for one hour, and repeat this 3-5 times for optimal battery use. 4. If your Phone has the battery indicate issue after install our battery, please try again firmly press the battery connector, make sure it connect perfectly, then reboot your Phone, the battery indicator will work correctly. 5. The most important and difficult part is removing the battery by removing the sticky flexible tape without damaging the old battery, make sure to heat-up the phone at the back with a hairdryer to make it flexible. 6. If you don't know how to replace the battery, it is highly recommended that you follow the steps to install it after watching the related video on Youtube. As the installation video is for reference only, the tools in the video may be different from our package. Product List: 1x 13000mAh Battery for iPhone 12/12 Pro 1x Complete tool kit 1x Battery Adhesive Strips 1x Blue Sealant