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Sony VGN-TZ198N Power Adapter
If your decision is to purchase a different brand charger, it is imperative to note the output of amps and voltage. Because Sony has been known to use a single AC adapter that is most likely used on other laptop models, be certain to thoroughly note the part number that is needed for this model. The Sony VGN-TZ198N AC adapter is responsible for two things, to charge the onboard battery and to provide a source of power for the unit. Upon choosing a replacement AC charger, selecting the Sony OEM charger is the best one to choose. A universal AC adapter can be used if you absolutely need to.
Major signs your AC adapter will not live much longer
- The laptop does not run using just the AC power adapter
- Most Sony AC adapters can get quite warm when plugged in for any length of time
- Battery does not charge up all the time
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