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Author Topic: Laptop mains adaptor over ampage.  (Read 2118 times)

tigertiger

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Laptop mains adaptor over ampage.
« on: March 24, 2010, 02:31:47 pm »
My laptop powerpack/mains adaptor is bust.

My laptop says Lithium battery.
And 20v 3.25 Amp.

The only mains adaptors I can find where I am is 20v 4.5 Amp.

Can I use this 4.5 Amp mains adaptor or will it damage the battery or laptop?
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Peterm

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Re: Laptop mains adaptor over ampage.
« Reply #1 on: March 24, 2010, 03:04:45 pm »
TT, I would hate to be responsible for the smoke coming out of your laptop, so maybe wait for confirmation from an expert, but I would have thought that as long as the voltage is the same, the laptop will only draw the current that it requires.  Now wait for the comments!  Pete
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Netleyned

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Re: Laptop mains adaptor over ampage.
« Reply #2 on: March 24, 2010, 03:57:58 pm »
I agree 4.5 amps is the max current that can be drawn before going pop or shutting down
The laptop will have its own battery management circuitry so everything 'should' be ok
'No money back no guarantee'
It is the voltage thats most important

Yours Aye

Ned
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Martin (Admin)

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Re: Laptop mains adaptor over ampage.
« Reply #3 on: March 24, 2010, 04:44:41 pm »

As long as the voltage in the same and the plug fits, you'll should be fine.
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tigertiger

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Re: Laptop mains adaptor over ampage.
« Reply #4 on: March 25, 2010, 12:21:33 am »
Big thanks for the info.

I can now go ahead and stop using the old desktop, very slow.
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barriew

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Re: Laptop mains adaptor over ampage.
« Reply #5 on: March 25, 2010, 06:29:07 am »
Quote from: Martin - admin. on March 24, 2010, 04:44:41 pm

As long as the voltage in the same and the plug fits, you'll should be fine.


Just check the polarity of the end that goes into the PC :-))


Barrie
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derekwarner

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Re: Laptop mains adaptor over ampage.
« Reply #6 on: March 25, 2010, 08:47:58 am »
mmmmm ..........just as Barrie suggets ....check the polarity ....do not JR Radio & Futuba have reversed polarity in their charging appliances?.........................Derek <*<
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tigertiger

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Re: Laptop mains adaptor over ampage.
« Reply #7 on: March 25, 2010, 12:51:18 pm »
Polarity fine.

I was just worried that the adaptor would be pushing. When in fact it is the laptop that is sucking. And so no problem.

Thanks for the input.
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Klunk

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Re: Laptop mains adaptor over ampage.
« Reply #8 on: March 25, 2010, 04:46:11 pm »
what is the make and model of the laptop. Post it and I will find you one!
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tigertiger

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Re: Laptop mains adaptor over ampage.
« Reply #9 on: March 25, 2010, 11:29:47 pm »
Hi Klunk
Thanks for the kind offer, but I will have to decline.

Firstly due to postage to China.
Secondly the customs man here will probably tax it as IT and that will also cost.

I am up and running now and the item only cost me four quid.

But thanks again for the offer.
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Klunk

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Re: Laptop mains adaptor over ampage.
« Reply #10 on: March 26, 2010, 03:55:09 pm »
no problem...but my company has a branch in Hong Kong and I would have sent it from there!!!
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