3-Year Warranty - We provide a 3-year worldwide warranty as a guarantee of Innergie product quality assured by Delta Electronics. Compact and Portable - Smaller than the original adapter, the slim design makes it easy to carry around in a laptop bag or backpack on the go. Free Tip Program - If none of the tips fits you, No Worries! Simply contact us or sign up the Free Tip Program on our official website then we will send you the required tip for free!. Universal Compatibility - The charging adapter comes with 6 interchangeable tips which are compatible with most laptop brands and models. It also supports lower wattage laptops at 170W 150W 120W 90W 65W 45W, etc. 180 Watt High Performance Charger - The Innergie T18 is designed for serious gamers and content creators to power high-end laptops up to 180 continuous watts, 100-240V 50-60Hz Input and 18V-22V 9.23A Max Output.