Laptop power supply Voltage

April 30, 2010 at 01:15:59
Specs: Windows XP
I purchased a laptop Universal DC Adapter for use in my car. I need figuring out what voltage option to use.

my adapters votlage options are: 18,19,20,22,24

Normal AC adapters for my Laptop are set at 19V (this is a standard AC adapter: http://www.espow.ca/laptop-ac-adapt...

However normal DC adapters for my laptop are set at 18.5V. (This is a standard DC Adapter http://www.hootoo.com/65w-hp-pavili...

What setting should I use for my laptop 18 or 19 volts? thanks


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#1
April 30, 2010 at 17:12:07
Set it to 18. Your laptop needs battery voltage (12VDC?) to operate and anything above battery voltage is fine.

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