If you're looking for a battery replacement for your iPhone 13 Pro Max, this is the one you want. With a zero cycle count and a UN 38.3 certification, this battery is sure to keep your phone running like new. Plus, it comes with a pre-installed quick release for easy installation. 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 Phone shuts off unexpectedly Features: Zero Cycle Count UN 38.3 Certified Installed Texas Instrument "Gas Gauge" Chip Battery Adhesive- Pre-installed quick release Compatibility: Apple iPhone 13 Pro Models A2483, A2636, A2638, A2639, and A2640 Specs: Battery Replacement for the iPhone 13 Pro Li-Ion Voltage (V): 3.87 Regular Capacity: 11.97 Wh, 3095 mAh