This is a brand new iPhone 11 Pro battery replacement. Compatibility: Solves the following problems: Features: Specs: Details Solves the following problems: The battery does not hold a charge Phone performance is slower than normal The phone shuts off unexpectedly Features: Zero Cycle Count UN 38.3 Certified Installed Texas Instrument "Gas Gauge" Chip Quick-release battery Adhesive- Pre-installed Compatibility: Apple iPhone 11 Pro Max A2161 / A2220 / A2218 Specs: Batter Replacement for the iPhone 11 Pro Li-Ion Voltage (V): 3.79 Watt-Hours (Wh): 15.04 Capacity (mAh): 3969 Fast Same Day Shipping, Monday-Friday, Before 5pm PST IMPORTANT As per IATA Dangerous Goods Regulations, all batteries must ship via GROUND only. If you are located outside of the continental U.S., you will not be able to purchase and will need to remove any batteries from your shopping cart.