Powerology Onyx 20000mAh Dual USB-C Power Bank 3 Device Charging - is a universal power source that can charge 3 different devices simultaneously in a parallel, safe, and high-speed manner thanks to its high 20000mAh battery capacity and dual USB-C ports. Its powerful output interfaces restore the energy of smartphones, tablets, and other digital gadgets in a short time, ensuring complete energy independence during both daily use and travels. The ergonomic housing structure and built-in smart protection system fully safeguard connected equipment from overvoltage, overheating, and short circuits.