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Acer TravelMate 4400 Power Adapter
If you decide to buy an non-Acer adapter, make sure to check the output of amps and voltage. The Acer TravelMate 4400 AC adapter is needed for two reasons, to charge the onboard battery and to provide a source of power for the unit. Upon choosing a replacement AC charger, selecting the Acer OEM charger is usually going to be the safest choice. A universal AC adapter is a possibility if you are desperate. Because Acer uses one power charger that can be used on other units, make sure you check the part number for the correct one.
Major indications of a bad power adapter
- Most Acer adapters will get warm to the touch when plugged in for 10 minutes or more
- Your Acer battery refuses to charge whatsoever
- The laptop does not function while solely using the AC adapter
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