A Versatile Power Solution- the 18W Mainboard with bidirectional USB ports
Introduction: In this article, we will explore the features and capabilities of the 18W mainboard, a powerful and versatile device that offers convenient charging and power supply solutions. With a USB-A port and a bidirectional USB-C charging and discharging port, this mainboard supports multiple protocols, making it compatible with 21700/18650 flat-head lithium batteries and polymer […]