The Voltme Hypercore 20K fast charging external charger uses American Amprius batteries, which is one of the thinnest and lightest large-capacity batteries currently available. It is thin and light and has a high discharge capacity! With a large capacity of up to 20,000 mAh, PD charges quickly and stably, and can charge two devices simultaneously. It uses flame-retardant materials and a stylish appearance, and its lightweight and slim design provides you with efficient charging results. Features: Charging two devices simultaneously Equipped with 1 USB-C port and 1 USB-A port, the VOLTME Hypercore 20K can charge two devices simultaneously, ensuring you stay connected while on the go. Powerful capacity The 20,000mAh capacity provides powerful energy for your devices - it can charge your iPhone 14 more than 4 times, Samsung Galaxy S23 nearly 3 times, and AirPods Pro more than 36 times, so you don’t have to worry about running out of power when out on the road! Compact and portable Designed with comfort in mind, the lightweight design is easy to hold, making it the perfect travel companion for your on-the-go charging or daily use. Safe and reliable Equipped with reliable protection features including a flame-retardant casing, high-density polymer battery, smart circuitry and temperature control, designed to protect your device while charging! Up to 22.5W fast charging Compatible with Apple and Android devices, it features dual USB outputs with PD/QC technology and a USB-C cable. Single mode lets you charge two devices simultaneously using the 22.5W USB-C and 18W USB-A ports, or charge one device while the battery itself charges. Designed for travel Acts as an additional external battery for smartphones and tablets. Charge two devices at the same time and enjoy a convenient charging experience anytime, anywhere. Built-in safety features protect against overcurrent, overheating and overcharging.