Compatible with iPhone 14 Pro Max, the power bank phone case is slim, shockproof, and scratch resistant The 8500mAh rechargeable battery case can extend the battery life of the phone anytime, anywhere With 4 LED indicators, it indicates the current charging capacity of the battery case Charging power: 1 light means 1%-25%, 2 light means 25%-50%, 3 light means 50%-75%, 4 light means 75%-100% The phone case is made of premium TPU, soft, which is flexible and durable New structure design, plugging, and unplugging will not affect the connector The exquisite slim phone case is easy to assemble and disassemble, and all buttons and controls are easy to use Specifications: Product material: ABS+TPU Product Type: Class A Lithium Ion Polymer Battery Input current: 5V 1500mA Output current: 5V 2000mA Wireless charging input: 10W Working temperature: 0℃-45℃ Battery capacity: 8500mAh Storage/transportation temperature: -20℃±50℃ Charging time: about 4 hours