Based on this product's specifications, here are some alternatives and similar models
UPS QOLTEC Pure Sine Wave 3kVA 2400W with AVR and LCD display
Summary description:
Offline/line-interactive UPS QOLTEC Pure Sine Wave with 3kVA (2400W) output, automatic voltage regulation (AVR) and LCD status display. Provides clean sine-wave output for sensitive electronics, short-term backup power and voltage stabilization. Suitable for servers, network equipment, workstations and home-office devices to prevent data loss and hardware damage.