Based on this product's specifications, here are some alternatives and similar models
UPS Volt Pico UPS 800 — Volt standby/uninterruptible power supply, model UPS 800
Summary description:
Volt Pico UPS 800 is a compact uninterruptible power supply (UPS) designed to provide short-term backup power and basic surge protection for electronic equipment. As a standby UPS from Volt, it keeps devices running during brief outages and allows safe shutdown of connected systems. Suitable for home office, routers, modems, small PCs, and network devices requiring temporary power continuity.