Based on this product's specifications, here are some alternatives and similar models
Battery Acid Tester Jonnesway AR030001
Summary description:
Handheld battery acid tester Jonnesway AR030001 designed to measure the specific gravity or acid level in lead‑acid batteries. Portable diagnostic tool for checking electrolyte condition to help assess battery charge state and health. Suitable for automotive, motorcycle and other lead‑acid battery maintenance and inspection tasks.