How To choose A adapter
Step 1. please check the input data on your laptop or your adapter output.
You will find voltage and current data.
Such as 20V 3.25A 、19V 3.42A、19V 2.37A....
Step 2. check your connection plug size.
Out diameter * lnner diameter
Such as 5.5*2.5mm、4.0*1.7mm、 4.0*1.35mm....
If still not understand ,please ask help from us !

product information
Code:SA73-4530
Input :100v-240v
Output:19v 3.42A
DC Connector:4.5*3.0mm
Size :75*75*25mm
Suit:For ASUS
Compatible Models:
For Asus P3540F UX480 UX480F UX480FD UX481 UX481F UX481FA UX481FL P553UJ P553UA PU301LA P500CA P552LA P552LJ P552SA P552SJ PU403UA PU403UF P3540 P2451 P5440 P1440 P1440U B1400 L1500 X755J PU450C PRO451L PRO553U PRO551L PROPU404U PRO554U PRO453U P2420L P2440U P2440UA P2440UQ P2540N P5240U P5340U P5340U P5440U BU201LA PU301L U500V UX560UQ-FZ033T PU500CA PU500C PU550 PU550CA PU401 PU401LA B400A-XH52 P500 M500 PU401 UX51VZ PU301LA P45V P55V PU551LA PU551LD P2520 P2520L P2520LA P2520LJ P2540UA P2540UV BU401LA BU401LG B551LA B551LG BU400A BU400VC B400A BU201LA UX560UQ-FZ033T Q524 Q524UQ Q534U Q534UX P5440U PU500CA P2710 P2710JA B8430UA P5440UF P5440FA P5440FF P5440UA
(More model consulting customer service)




Regarding returns:
Each model of the charger may have 2 to 5 different sizes of interfaces. Please confirm before placing the order whether the charger you are purchasing is correct. If you have any doubts, please contact the customer service for verification. Since returns caused by the buyer's incorrect purchase need to be paid by the buyer, if there are any problems with the received product, please contact the customer service immediately to solve the after-sales issue. We will choose the most time-saving and effortless solution for you!
You have 7 days to contact us and return the goods within 30 days after receiving them. If the product remains in your possession for more than 7 days, it will be regarded as used and we will not refund you or replace the product. No exceptions! The shipping cost is shared equally by the seller and the buyer. 2. All returned goods must be in their original packaging and you must provide us with the shipping tracking number, the specific reason for the return, and your order number. 4. We will fully refund your bid amount upon receiving the goods (the goods must be in their original packaging and contain all components and accessories). Under this condition, we will only execute the refund operation if both the buyer and the seller cancel the transaction on Alibaba International Station, or if you choose to request a replacement of the product. 4. If the product does not match the advertisement description, we will bear all shipping costs. Warranty terms: 1. 12-month manufacturer limited warranty (excluding problems arising from damage or improper use after receipt). Accessories have a 3-month warranty. 2. Defective products must be reported and returned within the warranty period (if possible, use the original packaging). You must inform us of the specific details of the defect and provide your order number. Products within the expired warranty period will not be repaired or replaced.