Specification: 1. Input: AC 100v-240v,50- 60hz  2. Output: DC 19V 4.74A 90W  3. Connector Size：7.4mm*5.0mm  4. Weight ：480g  5. Color：Black  6. Comes With The Power Cord  7. Item Condition：100% Brand New Special Features： 1. Power Saving  2. LED Power-on Indicator  3. Overload Protection  4. Short Circuit Protection  5. Over Temperature Protection Compatible Models： HP Business Notebook PC 6510b  HP Business Notebook PC 6515b  HP Business Notebook PC 6710b  HP Business Notebook PC 6710s  HP Business Notebook PC 6715b  HP Business Notebook PC 6715s  　  HP Compaq Notebook PC nx6125  HP Compaq Notebook PC nx6130 　  HP Compaq nc2400 Notebook PC  HP Compaq nc4400 Notebook PC  HP Compaq nc6120 Notebook PC  HP Compaq nc6320 Notebook PC  HP Compaq nc6400 Notebook PC  HP Compaq nc8430 Notebook PC  　  HP Compaq nw8440 Mobile Workstation HP Compaq nw9440 Mobile Workstation HP Compaq nw8440 Mobile Workstation 　  HP Compaq nx6315 Notebook PC Series HP Compaq nx6320 Notebook PC Series HP Compaq nx6325 Notebook PC Series HP Compaq nx6330 Notebook PC Series HP Compaq nx7400 Notebook PC Serie HP Compaq nx8420 Notebook PC Series 　  HP Compaq tc4400 Tablet PC Series  HP Pavilion dv3000 Series Notebook PC  HP Pavilion dv4,dv5,dv7 Series 　     Package Content： 1 X    AC Adapter 1 X    Power Cord Cable (US / UK/ EU/ AU) 　 　　 　 　 ：My Dear Friends 1. Please make sure this item Fit for your laptop Before you Bid. 　 2. We Also Do Bulk Sales With Crazy Price. 　         just contact with us GMAIL: [email protected] MSN on line:   [email protected] 　 How to choose a suitable AC Adapter for your laptop? You should be very cautious when you buy an AC Adapter for your laptop. If you try to power your laptop using an inappropriate AC adapter it will damage your laptop. There are three primary factors you need to consider before buying; namely voltage, amperage and tip size. Determine the desired output specifications of the AC adapter. This can usually be found on the old adapter. When selecting an adapter, you will want to match these as closely as possible. 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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