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Sony VGN-NW105J Power Adapter
The Sony VGN-NW105J AC adapter is responsible for two things, to charge the onboard battery while simultaneously providing power for the laptop. When purchasing a replacement AC charger, selecting the Sony OEM charger is always going to be the safest and easiest way to go. A universal AC adapter can be used if you are desperate. If your decision is to purchase a different brand charger, please check on the output of amps and voltage. Because Sony uses one power charger that powers multiple other machines, make sure you check the part number for the correct one.
Major indications of a poorly performing Sony power adapter
- The unit will not work without the battery installed
- Your Sony battery refuses to charge up at all
- Most Sony AC adapters get warm when plugged in for any length of time
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