Based on this product's specifications, here are some alternatives and similar models
UPS battery Eaton EB012SP Sealed Lead Acid 6V 9Ah
Summary description:
The Eaton EB012SP is a sealed lead acid UPS battery with a voltage of 6V and a capacity of 9Ah. It includes 6 batteries and weighs 9 kg. Ideal for providing reliable backup power for various applications.