A
Alex
Guest
On Thu, 22 Sep 2005 18:39:04 +0100, MVP <mr.nice@*nospam*softhome.net>
wrote:
>Powering a Laptop.
>My Laptop (acer), according to the info on the mains adapter, runs on
>19v DC.
>Questions...
>
>What are the chances it's be happy on 14vDC (which is the voltage
>accross my battery 99% of the time)?
>
>If it'll be happy with 14vDC would the delivery of it in a cars
>electrical system be nice and smooth enough?
>
>If it'll not be happy with 14vDC how easy is it to find a 1:1.357
>ratio transformer to step-up the voltage?
>
>And would that work?
>
>The output of the mains transformer is 3.42A by the way, so the
>current draw of a transformer for 14-19v would be 3.88A.
>
>Anything here I've missed folks? or am I completely off my rocker
>here?
Yes. Go and buy a small inverter to power the mains adaptor. It solves
all your problems and also prevents nasty spikes from your car
electrical system killing the laptop internal PSU.
Alex
wrote:
>Powering a Laptop.
>My Laptop (acer), according to the info on the mains adapter, runs on
>19v DC.
>Questions...
>
>What are the chances it's be happy on 14vDC (which is the voltage
>accross my battery 99% of the time)?
>
>If it'll be happy with 14vDC would the delivery of it in a cars
>electrical system be nice and smooth enough?
>
>If it'll not be happy with 14vDC how easy is it to find a 1:1.357
>ratio transformer to step-up the voltage?
>
>And would that work?
>
>The output of the mains transformer is 3.42A by the way, so the
>current draw of a transformer for 14-19v would be 3.88A.
>
>Anything here I've missed folks? or am I completely off my rocker
>here?
Yes. Go and buy a small inverter to power the mains adaptor. It solves
all your problems and also prevents nasty spikes from your car
electrical system killing the laptop internal PSU.
Alex
