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Sony VPCSA3DGX Power Adapter
When purchasing a replacement charger, selecting the Sony OEM charger is the best one to choose. If your decision is to purchase a different brand charger, it is imperative to note both the voltage and amperage output. 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. The Sony VPCSA3DGX power adapter is responsible for two things, to charge the onboard battery and to provide a source of power for the unit. A universal power adapter is a possibility if you are desperate.
Some warnings to watch for in a bad laptop charger
- The laptop does not function using just the AC power adapter
- Your Sony battery refuses to charge every time
- The majority of Sony power chargers will get warm to the touch when they are plugged in for a period of time
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