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Sony VGN-SZ440 Power Adapter
If you decide to buy an non-Sony adapter, make sure to check both the voltage and amperage output. When choosing a new AC charger, the actual Sony brand is the best one to choose. Because Sony has been known to use a single AC adapter that is most likely used on other laptop models, be sure you choose the right one. A universal AC adapter is a possibility if yours is unavailable or backordered. The Sony VGN-SZ440 power adapter provides two functions, to charge any and all batteries while simultaneously providing power for the laptop.
Warnings of an ailing laptop charger
- The unit will not run without the battery installed
- The majority of Sony power chargers get warm when plugged in for any length of time
- Battery does not charge at all
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