WARM TIPS:How to Choose the Correct Ac Adapter? 1.Please Check the OUTPUT(Voltage, Ampere)and Interface size of our ac adapter , if they are the same as your Original ac adapter,it can work for your Laptop(or Netbook). 2.If your original ac adapter lost,and you can not sure,Please tell your Laptop model ,and the INPUT(Voltage, Ampere) on the back of your Laptop,and we will give you an advice. PLEASE CHECK THE SPECIFICATIONS CAREFULLY BEFORE YOU BUY THIS CHARGER Specification: INPUT : 100-240V,50-60Hz OUTPUT : 20V 2.25A (Power:45W) Interface size : TYPE-C|USB-C Package Include: 1x AC Adapter 1x Power Cord (,UK,EU,AU.BR is available) Short Circuit Protection, Over Voltage Protection&Over Current Protection. If you have any questions,please contact in Aliexpress,and we will reply you in time! 1. 12 months Manufacturer`s limited Warranty for defective items (excluding items damaged and/or misused after receipt).Warranty and Guarantee terms start from purchase date.If you received an incorrect, damaged, defective, or item not as described, please contact within 7 days,we will help you reslove the problem for you in time! 2. Defective items MUST reported and returned within the warranty period. You must tell what the defect is and give your order number. WE DO NOT REPAIR OR REPLACE ITEMS WITH AN EXPIRED WARRANTY. 3.Please leave a positive feedback if you feel our product & service is ok, our system will do the same to you automatically. If you have any problem with the product & our service, please feel free to contact immediately. We will solve the problem in the shortest time.