Based on this product's specifications, here are some alternatives and similar models
Sealed AGM Rechargeable Battery voltage VE12-33 12V 33Ah
Summary description:
Sealed valve-regulated lead-acid (AGM) rechargeable battery voltage VE12-33 with nominal voltage 12V and capacity 33Ah. Designed for standby and cyclic applications such as UPS, alarm systems, telecommunications, and small renewable installations. Maintenance-free, spill-proof construction suited for indoor use and various orientation installations.