Krisdonia 50000mAh Laptop Power Bank 5/9/12/16/19/20V Portable Laptop Battery Charger with QC3.0 USB-A Port & 12V Type-C Port for Laptop, Tablet, Smartphone and More Devices 4.4 out of 5 stars 540
Link: https://www.amazon.com/Lenovo-14000mAh-Portable-External-USB-C/dp/B07XQ563R2