Description: This compact 5V to 9V/12V boost converter features a USB-A 5V 2A input and a switchable 9V/12V output, equipped with a clear voltage display for real-time voltage monitoring. It delivers a max 1A output current and 9W output power, meeting daily power boosting needs for various devices. Designed with a tiny 48*26*15MM ABS+PVC shell, this black portable boost module comes with a 0.6M cable and weighs under 40g, easy to carry and store.It supports multiple optional output interfaces, including DC5521, DC5525, DC5017, DC4017 and cigarette lighter socket, compatible with USB chargers, power banks, routers, LED lights and more small electronics. We offer professional OEM & ODM services, supporting custom voltage, current and connector types to fit different application scenarios. A reliable and practical mini DC power boosting solution for home and outdoor use.