Based on this product's specifications, here are some alternatives and similar models
UPS replacement battery Bluewalker 10120561 — 12 V 9 Ah, pack of 40, 130 kg, 260×708 mm
Summary description:
Replacement UPS battery Bluewalker 10120561: sealed lead‑acid battery with nominal voltage 12 V and capacity 9 Ah. Supplied as a pack of 40 identical units, total weight 130 kg. Compact dimensions for each unit (width 260 mm, height 708 mm). Designed for use in uninterruptible power supplies and backup power systems where multiple batteries are installed in series or parallel.