3-Year Warranty - We provide a 3-year worldwide warranty as a guarantee of Innergie product quality assured by Delta Electronics. All products are designed in our R&D Headquarters in Taiwan. Quality Assurance - Safety and stability are our priorities. Every Innergie laptop charger is tested and certified by US & Canada UL, EU CE, UK Conformity Assessed, Taiwan BSMI, Japan PSE, Singapore PSB and AU RCM safety standards. Built to Last - Using high-quality components from first-tier manufacturers, Innergie provides the highest stability and long-term reliability at the same level as the original OEM laptop adapters. Universal Compatibility - The charging adapter comes with 5 interchangeable tips which are compatible with most gaming laptop models. If you are not sure about the compatibility, please check your original laptop tip size or contact us before purchg. 280 Watt High Performance Charger - The Innergie T28 is designed for high-powered gaming laptops and workstations up to 280 continuous watts, 100-240V 50-60Hz Input and 18V-22V 14.36A Max Output. It also supports lower wattage laptops at 240W 230W 200W 180W, etc.