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Sony VGN-CS320J Power Adapter
If buying off-brand, make sure to check both the voltage and amperage output. Due to the fact that one Sony adapter is probably used on other similar units, be certain you select the correct one for the VGN-CS320J model. A universal AC adapter is a possibility but only if necessary. The Sony VGN-CS320J power adapter is needed for two reasons, to charge up the main battery and to provide a source of power for the unit. When choosing a new charger, choosing the Sony brand one will probably be the safest way to go.
Clues poorly running charger
- The laptop does not operate while solely using the AC adapter
- Your Sony battery refuses to charge every time
- Most Sony adapters will get very warm to the touch when they are plugged in for a period of time
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