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Sony VPCY21SFX Power Adapter
Because Sony has been known to use a single AC adapter that can be used on other units, be certain you select the correct one for the VPCY21SFX model. If your decision is to purchase a different brand charger, make note of both the volts and amps outputs. A universal AC adapter is another possibility but only if necessary. The Sony VPCY21SFX power adapter is responsible for two things, to charge the onboard battery and powering the laptop. When choosing a new AC adapter, selecting the Sony OEM charger will probably be the safest way to go.
Important hints your AC adapter has very little life left
- Your Sony battery refuses to charge completely
- The majority of Sony power chargers will get warm to the touch when they are plugged in for a period of time
- The unit will not function without the battery installed
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