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Sony VGN-Z520N Power Adapter
Upon choosing a replacement AC adapter, the actual Sony brand is the best one to choose. Due to the fact that one Sony adapter is probably used on other similar units, be certain you select the correct one for the VGN-Z520N model. The Sony VGN-Z520N AC adapter has two main uses, to charge the onboard battery while simultaneously providing power for the laptop. A universal AC adapter can be used if yours is unavailable or backordered. If you decide to buy an non-Sony adapter, please check on the output of amps and voltage.
Clues to watch for to know the power charger will have to be replaced
- Battery does not charge up every time
- Most Sony AC adapters can get quite warm when plugged in for 10 minutes or more
- The laptop does not work using just the AC power adapter
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