After-sales services:90W USB C Type C port output up to 90W power delivery enables fast and efficient charging of compatible devices;Certified by RoHS, CE & FCC, the charger safeguards your devices against current overload, overvoltage, short circuit and overheating.Just rest assured ,delegating the charging work to this reliable power adapter. 24 x 7 E-mail response,12 months quality assurance,refund or exchange will be available under 30 days