Based on this product's specifications, here are some alternatives and similar models
Replacement Battery Cartridge APC RBC43
Summary description:
The APC Replacement Battery Cartridge RBC43 is a Sealed Lead Acid (VRLA) battery designed for reliable performance. Weighing 19 kg, it has dimensions of 210.6 mm in width and 76 mm in height. This battery ensures uninterrupted power supply for your devices, making it ideal for backup systems. Its robust design and high-quality construction provide long-lasting durability and efficiency, ensuring your equipment remains operational during power outages.