This 40000mAh portable power bank offers QC 4.0+ and PD 30W quick charging, ensuring your devices get powered up at lightning speed. With the latest Super Charger and Fast Charger Protocol, it can charge an iPhone 13 from 20% to 80% in just 30 minutes-3x faster than typical 10W power banks. Featuring 1 Type-C and 2 USB ports, this device can charge 3-devices simultaneously, making it ideal for on-the-go use with phones, tablets, headphones, and more. Built with premium materials, including a fireproof case and a reliable PCB motherboard, this charger ensures safety through its 10-point protection design, guarding against overcharging, over-discharging, short circuits, and overheating. The power bank houses a super-grade lithium polymer battery core, passing an 8-fold inspection for dependable safety. Its 40000mAh capacity uses a high-density polymer battery, delivering more power without added bulk. A single charge can support your device usage for up to a week, reducing dependence on outlets. Equipped with a high-precision LED digital display, it provides accurate, real-time monitoring of remaining power, letting you easily track battery status. Designed in sleek, durable dull black, this compact power bank combines cutting-edge technology and functionality for reliable, fast, and convenient charging whenever you need it.