Based on this product's specifications, here are some alternatives and similar models
JOYROOM JR-PBF04 Power Bank 20000 mAh
Summary description:
The JOYROOM JR-PBF04 power bank features a 20000 mAh Lithium Polymer battery, ensuring reliable power on the go. It supports fast charging technologies like Power Delivery 3.0 and Quick Charge 3.0, with a battery voltage of 3.7 V. The device includes 1 USB Type-A output and 2 USB Type-C ports, allowing for versatile charging options. Its sleek black design makes it a stylish and practical choice for anyone needing extra power.