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Compaq Presario 2800 Power Adapter
If buying off-brand, make sure to check both the volts and amps outputs. Due to the fact that one Compaq adapter can be used on other units, double-check the part number or model number of the adapter. The Compaq Presario 2800 power adapter is responsible for two things, to charge up the main battery and to provide a source of power for the unit. Upon choosing a replacement charger, the actual Compaq brand is usually going to be the safest choice. A universal AC adapter is a possibility but only if necessary.
Easy warnings of a worsening Compaq power adapter
- Most Compaq adapters will get very warm to the touch when they are plugged in for a period of time
- Battery does not charge all the time
- The laptop does not run without the battery installed
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