Based on this product's specifications, here are some alternatives and similar models
Cordless tool battery/charger STHOR 78985 — Lithium‑Ion, 220 g, single pack
Summary description:
STHOR 78985 is a Lithium‑Ion cordless tool battery/charger combo designed for powering and charging compatible handheld power tools. The unit uses Li‑Ion technology, weighs 220 g and is supplied as a single pack. Suitable for light to medium DIY and maintenance tasks where a compact, portable power source is required.