Laptop AC Adapter Information
- Will a 70 watt ac adapter work on a 90 watt laptop?
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It will work but the center part that black box on the cord will start over heating
and could cause the laptop to slow down or even eventually give it no power due
to too much stress. Temporarily it should be fine it would take awhile for a new
cord to start reacting funny but to be safe i would go with the 90 watt or higher
but voltage is more important check the voltage if its plus or minus more than 10volts
that is recommended don¡¯t use it It may work under some special conditions:
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1)You do not put pressure on you laptop which may lead to more energy consuming
which may result in the failure of the adaptor in providing enough power.
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2)The voltage between + and - poles of the adapter must be similar to those of the
original adaptor which came with the laptop. ** A 10 to 20 percent difference may
not cause any problem.
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3)The amount of current provided by the adaptor (in Amps) should have the same conditions,
means that it shouldn't vary from those of the original adaptor more than 10 to
20 percents.
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Wattage is less of a problem. Polarity and Voltage is s big issue. If you don't know
exactly, don't do it. You may damage a good machine.