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Sony VGN-SR490J Power Adapter
When choosing a new adapter, selecting the Sony OEM charger will probably be the safest way to go. The Sony VGN-SR490J AC adapter is responsible for two things, to charge up the main battery and powering the laptop. If you decide to buy an non-Sony adapter, make note of both the voltage and amperage output. A universal AC adapter is a possibility but only if necessary. Because Sony uses one power charger that can be used on other units, double-check the part number or model number of the adapter.
Some warnings the Sony power adapter is on its last leg
- Your Sony battery refuses to charge all the time
- The majority of Sony power chargers will get very warm to the touch when plugged in for 10 minutes or more
- The unit will not function while just using AC power
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It is always best to note the part number before buying a power adapter replacement. Your Sony VGN-SR490J laptop will love you more for ordering smartly online. Sony VGN-SR490J power adapter should really be bought new due to the wear on any older used one. Make sure to try and buy replacement parts from a reputable seller if you purchase through a website.
Feel free to download your manual for help.
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