20000mAh High Capacity: This portable power bank features a built-in 100% full-capacity polymer battery core, delivering reliable and long-lasting power for multiple devices. With a robust 20000mAh capacity, it can fully charge smartphones, tablets, and more while on the go Dual USB Fast Charging: Equipped with dual USB ports supporting 5V/2.1A output, you can charge two devices simultaneously at optimal speed. Whether it’s your phone, tablet, or other USB-powered devices, enjoy quick and efficient charging without delays Safety Certified: This power bank meets national 3C safety certification standards, ensuring safe usage. Built-in safety protections guard against overcharging, short-circuiting, and overheating, making it a reliable option for daily use and travel LED Power Indicator: A unique LED lighting effect displays the remaining battery life, so you’ll always know how much power is left. The clear visual indicator helps you stay prepared and ensures you're never caught with a dead battery Flight-Approved for Travel: Designed with air travel in mind, this power bank is approved for bringing on flights, offering convenience and peace of mind for travelers. Compact and lightweight, it’s an essential travel companion for charging your devices while airborne Specifications: Model: PX109 Capacity: 20000mAh Battery Type: 1260110 x 2 Size: 146mm x 68mm x 30mm (L x W x T) Input: Type-C Input: 5V 2A Output: 5V 2.1A