Compatibility: Our replacement battery kit is ONLY compatible with iPhone 11 (Model: A2111 A2221 A2223). Not fit for other models. Before purchase, please verify that your device's model number matches one of those listed above. You can find your model number by going to: Settings > General > About > Model Number.

Battery Performance: This 0-cycle for iPhone 11 battery features a 3550mAh capacity, offering excellent battery life for all-day use. It supports 1,500+ charge cycles, achieves a 98% energy conversion rate, and offers a 1.5x longer service life, providing your device with long-lasting, high-performance power.

Safe and Reliable: For iPhone11 battery replacement part is UL safety-certified and features 12 safety protections including temperature, power, current protection and more. Its memory-metal dual-fuse design enables automatic recovery after short circuits, and the upgraded 4-way current diversion ensures smooth power flow. The interface contact area is expanded by 20%, ensuring connection safety and stability.

Excellent Quality: This high-quality battery features a smart chip and intelligent temperature control for optimal charging temperatures. Its high-density battery cells and multi-layer aluminum foil film enable fast charging, while auto power-lock technology minimizes self-discharge to extend lifespan.

Easy installation: Our battery replacement kit comes with professional repair tools: screwdriver x3, suction cup x1, triangular spudgers x2, pry bar x1, tweezers x1, eject pin x1, seal sticker x1, battery adhesive sticker x1. We recommend watching the installation video before replacement to ensure successful installation.