Based on this product's specifications, here are some alternatives and similar models
Uninterruptible Power Supply PowerWalker VI 3000RT LCD
Summary description:
The PowerWalker VI 3000RT LCD is a reliable 3 kVA uninterruptible power supply with a 2700 W output. It features 9 IEC 309 516C6 AC outlets and a fast battery recharge time of 4 hours. Designed for rackmount, it offers robust protection for your devices with a compact black form factor. Dimensions: 438 mm width, 608 mm depth, and 86.5 mm height.