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Sony VGN-FW450J Power Adapter
Because Sony uses one power charger that powers multiple other machines, be certain you select the correct one for the VGN-FW450J model. The Sony VGN-FW450J power adapter is needed for two reasons, to charge up the main battery while simultaneously providing power for the laptop. A universal power adapter is a possibility if you are desperate. If buying off-brand, make note of both the volts and amps outputs. When purchasing a replacement AC charger, the actual Sony brand is the best one to choose.
Red flags of a worsening Sony power adapter
- The unit will not run without the battery installed
- Most Sony adapters can get quite warm when plugged in for 10 minutes or more
- Battery does not charge every time
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