20 USB-C PD 3.0 ports enable simultaneous charging of 20 Chromebooks, laptops, or tablets. Item No.: S20S-1600 • Safely store it in the charging cabinet. • Install it in the charging cart to utilize 20 USB-C ports for output. • Designed to securely accommodate Chromebooks, laptops, and tablets, it offers an economical charging solution. • Equipped with two 800W DC power supplies, it provides a stable total output of 1600W.