Safety Protection: The product's quality has passed stringent product tests, to ensure your device is guarded with top safety protection Connector Type: Round Tip Only. Compatible with Acer Nitro 5 Gaming Laptop AN515-42 AN515-43 AN515-44 AN515-45 AN515-56 AN515-55 AN515-54 AN515-53 AN515-52 AN515-51 N18C3 N18C4 N20C1 N20C2 Manufacturer's Assurance: This product offers a 30 days return option and accepts exchange at any time within 12 months. Email support is available 24/7, if you have any questions about this product, please don't hesitate to contact us at any time Wattage: Output:19V 7.1A 135W (Compatible with 135W) Input:100-240V 1 X Power Adapter, 1 X Power cord