Based on this product's specifications, here are some alternatives and similar models
Replacement Battery Cartridge APC APCRBC116
Summary description:
The APC Replacement Battery Cartridge #116 is a sealed lead acid (VRLA) battery with a voltage of 48V. It includes 1 battery and weighs 10.4 kg. Dimensions are 165 mm in width and 89 mm in height. The package dimensions are 292 mm width, 190 mm height, and 546 mm depth. This battery is RoHS compliant and comes with a 2-year warranty, ensuring reliable performance for your APC devices.