Exilient - 40 W Replacement Laptop Adapter for Toshiba 19V X 2.1A Exilient Part Number AT-19X21X-01. For Laptop Models:NB205 NB255 NB305 Compatible Part Numbers - PA3743U-1ACA free ac power cord included. Exilient products come with a standard One year warranty. Service support for Exilient product is from any of the company offices at Delhi, Chandigarh, Dehradun, Ludhiana, Ahmedabad, Mumbai, Hyderabad, Bangalore , Chennai, Lucknow, Kolkata & Guwahati. Please ensure that the Exilient adapter you are ordering is of same specification and appearance as that of your present adapter.