Product Description: Revitalize your iPhone 12 Pro Max with the Yesido 3687mAh Replacement Battery. Engineered for long-lasting power, this high-quality replacement ensures your phone performs at its best, providing reliable battery life even during heavy usage. Whether you need to replace a worn-out battery or fix issues like charging problems or battery warnings, this replacement battery will restore your device to its original power capacity. Technical Specifications: Capacity: 3687mAh Voltage: 3.83V Watt Hours: 14.11 Wh Battery Type: Lithium Polymer (Li-Po) Compatibility: iPhone 12 Pro Max Key Features: Long Battery Life: Get up to 17-20 hours of video playback, 65-80 hours of audio playback, and excellent overall performance based on background apps and usage patterns. Fast Charging Support: Charge your phone up to 50% in just 30 minutes with a 20W+ fast charging adapter, significantly reducing charging time. Wireless Charging Compatible: Supports Qi wireless charging up to 7.5W and MagSafe wireless charging up to 15W for convenient, cable-free charging. Long-Lasting Performance: Maintains up to 80% of its capacity after 500 charge cycles, ensuring a long battery lifespan. Original Specification Match: Designed to meet or exceed OEM standards, this replacement battery is fully compatible with all iPhone 12 Pro Max functions, including Apple's built-in battery health monitoring system. Easy Installation: Includes a detailed manual to guide you through the installation process. Professional installation is recommended for optimal performance. Instructions & Safety Tips: Installation Tips: If your iPhone doesn’t turn on after installing the battery, check the ribbon cable connector and clip it securely. Charge your phone for at least 20 minutes before attempting to turn it on. Avoid Overheating: Always charge the battery at room temperature (0°-45°C). Do not expose the battery to heat sources, as excessive heat can damage the battery and reduce its performance. Caution: Do not open, crush, puncture, or expose the battery to fire or water. This could result in fire, explosion, or burn hazards. Safe Disposal: Dispose of the battery properly and never expose it to fire or water. Avoid damaging the outer casing to maintain safety.