1. Input: AC 100v-240v,50- 60hz 2. Output: DC 19V 4.74A 90W 3. Connector Size:7.4mm*5.0mm
4. Color:Black 5. Comes With The Power Cord 6. Item Condition:100% Brand New
Instructions: Step1:Identify the voltage. Next to the word "output", you'll see a number with a "V" after it (such as 19V). This is your voltage. Step2:Identify the amperage. After the volts, there will be another number with "A" after it (such as 1.58A). Step3:Determine the size of the adapter plug. Plug sizes are normally measured in millimeters.(Such as 5.5 mm * 2.5 mm) Choose an adapter that meets all of the above three requirements: proper output voltage and current, proper plug size, and proper power cord. If an exact match is not available, it is better to err on the side of the new adapter having a higher current than the specifications require. For example, if the device calls for19 V 3.16 A, it is Ok for the new adapter to provide 19 V 4.74A (higher current) .
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