Safe to use 3rd party power block with laptop?
August 6, 2010 11:59 AM   Subscribe

Is a Kensington power adapter safe to use on a Vaio laptop?

I have a new Sony Vaio laptop (VCPEB19GX) and would like to know if I can safely use a Kensington power adapter.

Original power block that came with the laptop: output = 19.5 volts, 3.9 amps

Kensington AC/DC power adapter (model K33403):
* Output: 19 volts, 4.75 amps (max)
* Input: either 100 - 240 AC at 50-60Hz or 11 - 16 V DC max 10A or 5A (for airplane use)

The Kensington plug does fit the laptop properly. This is for use on a boat, so the input will be 12 Volts DC.

Any thoughts would be appreciated. Thanks
posted by Kevin S to Technology (3 answers total)
Is the polarity the same? If so, that looks fine. Half a volt won't make any difference, and it's capable of delivering plenty of current.
posted by kindall at 12:10 PM on August 6, 2010

Yep, I agree with kindall.

Incidentally the most efficient way of using it with your boat battery will be to run your laptop with no battery in it.
posted by samj at 1:15 PM on August 6, 2010

Thanks everyone
posted by Kevin S at 6:13 AM on August 8, 2010

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