Based on this product's specifications, here are some alternatives and similar models
Battery/Accumulator EMU AM12-12 and EP5-12T2 — 12V models by EMU
Summary description:
EMU AM12-12 and EP5-12T2 are 12V electronic accumulator devices designed for reliable power support in UPS systems and other applications. Built with robust construction and user-friendly interfaces, they deliver stable performance and durability for professional and personal use. Suitable for backup power, maintenance, and integration into electronic toolkits.