Super Power Supply DC Car Laptop Adapter Charger Cord with USB Charging Port for Dell Inspiron 11 14 15 17: 3135 3137 3541 3542 M531R 5447 5535 5547 5748 Netbook Notebook Battery Plug Output: 19.5V 4.62A 90W / Power laptop and charge battery from 12V DC outlets (car / air / boat) Warranty: 1 Year Super Power Supply products are manufactured and tested to match or exceed OEM products. Trademarked by Super Power Supply. Sold exclusively by Super Power Supply Features a USB Port for Charging USB powered devices.