Re: OT(ish): Powering a Laptop
MVP <mr.nice@*nospam*softhome.net> blithered:
> Powering a Laptop.
> My Laptop (acer), according to the info on the mains adapter, runs on
> 19v DC.
> 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
Think the answer to all your questions is unfortunately no.
It is unlikely to be happy with a mere 14V if it is anticipating 19.
You can't 'transform' DC, only AC.
For DC you need and invertor, I don't see why such a beast shouldn't do 14 up to
19, however acquiring one might be a bit of a challenge.
Dunno what Maplin do in that line. It might be easier to get one that produces
240V AC from 12V DC and drive your AC adapter from that, them's more common and
more readily available from the likes of Maplin. They might even be available from
your caravan/camper suppliers.
As to your last statement, you post in alt.fan.landrovers and you need to ask?
"He who says it cannot be done should not interrupt her doing it."
If at first you don't succeed,
maybe skydiving's not for you!