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Asus K55A-DH51 Power Adapter
If buying off-brand, make note of both the voltage and amperage output. Because Asus has been known to use a single AC adapter that powers multiple other machines, double-check the part number or model number of the adapter. A universal AC adapter is another possibility if you absolutely need to. The Asus K55A-DH51 AC adapter is needed for two reasons, to charge the onboard battery and powering the laptop. When purchasing a replacement AC charger, the actual Asus brand will probably be the safest way to go.
Clues to watch for to know your power adapter will die soon
- Your Asus battery refuses to charge up all the time
- Most Asus adapters will get very warm to the touch when plugged in for 10 minutes or more
- The laptop does not operate while just using AC power
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