Based on this product's specifications, here are some alternatives and similar models
Sealed Lead Acid (VRLA) Battery Anker A110B — 20100 mAh, PowerIQ 4.0, 2× USB-C, 1× USB-A, Black
Summary description:
Anker A110B is a sealed lead acid (VRLA) rechargeable battery with 20100 mAh capacity. It features PowerIQ 4.0 fast-charging technology, two USB Type-C ports and one USB Type-A output for powering devices and accessories. Designed for backup power and off-grid usage where high-capacity, reliable DC-to-USB output is required.