A 10-way, 5-USB port extension power cable is a high-capacity power strip designed for powering multiple electronics simultaneously. It typically features 10 AC outlets (often in a 2-row design) and 5 USB-A ports (sometimes with a USB-C port) for charging phones, tablets, and laptops. Key features include a 2-meter or longer heavy-duty cord, built-in surge protection, and fireproof casing.