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Sony VGN-SR220J Power Adapter
When purchasing a replacement adapter, the actual Sony brand is always going to be the safest and easiest way to go. The Sony VGN-SR220J AC adapter is responsible for two things, charging the battery and to provide a source of power for the unit. Because Sony has been known to use a single AC adapter that is probably used on other similar units, be certain to thoroughly note the part number that is needed for this model. A universal power adapter is another possibility if you absolutely need to. If buying off-brand, please check on both the volts and amps outputs.
Indications your AC adapter is dying
- Most Sony adapters can get quite warm when they are plugged in for a period of time
- Battery does not charge up whatsoever
- The unit will not operate without the battery installed
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