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Sony PCG-F680 Power Adapter
If you decide to buy an non-Sony adapter, make sure to check both the voltage and amperage output. Because Sony uses one power charger that powers multiple other machines, be certain you select the correct one for the PCG-F680 model. Upon choosing a replacement AC charger, choosing the Sony brand one is the best one to choose. A universal AC adapter is another possibility if you absolutely need to. The Sony PCG-F680 power adapter is needed for two reasons, to charge any and all batteries while simultaneously providing power for the laptop.
Red flags of a declining power adapter
- The laptop does not function while just using AC power
- Battery does not charge up all the time
- Most Sony AC adapters get warm when plugged in for any length of time
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