Based on this product's specifications, here are some alternatives and similar models
Battery connector ARCO P4538FR — 3/4" x 18 mm
Summary description:
ARCO P4538FR is a battery connector specified as 3/4" x 18 mm. It is designed to provide a secure electrical and mechanical connection for battery assemblies and related power applications. Suitable for use in battery packs, power tool batteries, and electrical repair or assembly tasks where a compact threaded connector of this size is required.