[ltp] Re: Wet AC adaptor

Bert Haskins linux-thinkpad@linux-thinkpad.org
Mon, 19 Sep 2005 23:19:33 -0400


Richard Neill wrote:

>
>
> Daniel Pittman wrote:
>
>> Alex Deucher <alexdeucher@gmail.com> writes:
>
>
>> Do watch out - the output ratings have changed, usually upwards, over
>> time.  Plug compatible doesn't always make it safe.  Check the output
>> voltage, current, etc, instead.
>
>
> The voltages must be exactly the same.
>
> The current (or power) rating of the adapter must be greater than or 
> equal to what your thinkpad requires.
>
> Eg 1. A thinkpad which requires 12V at 4A (= 48Watts), can be run safely
> from an adaptor rated 12V,6A.
>
> Eg 2. An adaptor rated 15V, 4A will damage the thinkpad

?????? I have over eight TP adapters all of which are 16 volts at
current ratings from 3.36 to 4.5 amps.
They seem to run eveything that IBM has made since the 760.

>
>
> Eg 2. An adaptor rated at 15V,3A will be overloaded, and overheat.
>
>
> Beware of non-IBM adaptors, especially cheap, poorly-regulated ones.
>
> Regards,
>
> Richard