This is a high-quality replacement battery for the iPhone 11, offering a genuine 3110mAh capacity. It provides comparable standby and talk time to the original, ensuring your phone stays powered longer throughout the day. Some units may have minor cosmetic marks that do not affect performance. Technical Specifications: Model: iPhone 11 Battery brand: Yesido Battery Type: Lithium-Ion Polymer Capacity: 3110mAh Voltage: 3.83V Charging Time: 1.5 to 2 hours (approx.) Battery Cycle Life: 500+ full charge cycles Compatibility: Apple iPhone 11 (Model A2111, A2221, A2223) Key Features: Genuine 3110mAh capacity for extended battery performance Dual IC protection against overcharging, short-circuit, and overheating Supports fast charging for quick power replenishment Zero-cycle battery for longer lifespan OEM design ensures perfect fit and reliable connection Built with eco-friendly materials and no memory effect Fully tested for safety, performance, and durability