Certified Safety: Certified and listed by the nationally recognized electronics safety expert UL. Only products with the top quality, workmanship & safety level in the industry can pass the extremely stringent quality tests to obtain this honorable certification Fit for Asus Vivobook X512 X512DA X512JA X515 X515EA X540 X540SA X540L Q302 Q504U Q302L Q200E X553M C300M F512 F513 F515 F512JA F513EA, Fit for Zenbook UX303 UX330 UX360 Laptop [Do not buy if your laptop requires more than 65W ]