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Sony VGN-NR485E Power Adapter
When purchasing a replacement charger, selecting the Sony OEM charger will probably be the safest way to go. If buying off-brand, make sure to check both the volts and amps outputs. The Sony VGN-NR485E power adapter provides two functions, to charge the onboard battery and to provide a source of power for the unit. A universal AC adapter can be used if you are desperate. Because Sony uses one power charger that can be used on other units, be certain to thoroughly note the part number that is needed for this model.
Subtle cues of a faulty charger
- Your Sony battery refuses to charge completely
- The laptop does not operate using just the AC power adapter
- Most Sony adapters will get very warm to the touch when plugged in for 10 minutes or more
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