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Acer Extensa 4220 Power Adapter
Upon choosing a replacement AC adapter, the actual Acer brand is always going to be the safest and easiest way to go. The Acer Extensa 4220 AC adapter is responsible for two things, to charge up the main battery and powering the laptop. If buying off-brand, please check on both the voltage and amperage output. A universal power adapter can be used if you are desperate. Because Acer has been known to use a single AC adapter that is most likely used on other laptop models, make sure you check the part number for the correct one.
Indications your laptop charger needs replacing ASAP
- The laptop does not function using just the AC power adapter
- Battery does not charge up every time
- The majority of Acer power chargers can get quite warm when plugged in for 10 minutes or more
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