Based on this product's specifications, here are some alternatives and similar models
Power Inverter DC-200 (No name) — DC to DC Converter, 10 A Output
Summary description:
DC-200 power inverter (No name) is a DC-to-DC converter with a rated output current of 10 A. Designed to convert and stabilize DC voltage for automotive, marine or industrial low-voltage systems, it provides protected power delivery for devices and accessories requiring a steady DC supply. Suitable for charging, powering electronics and voltage matching in mobile installations.