Based on this product's specifications, here are some alternatives and similar models
UPS battery cartridge origin storage APCRBC143-OS Sealed Lead Acid replacement for compatible UPS units
Summary description:
Sealed lead acid UPS battery cartridge origin storage APCRBC143-OS designed as a direct replacement for compatible UPS systems. This cartridge provides proven SLA chemistry for backup power, easy hot-swap installation, and reliable performance in power outages. Suitable for maintaining runtime and protecting equipment in offices, data racks, and telecom setups.