S
steve Taylor
Guest
MVP 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)?
Not good.
> If it'll be happy with 14vDC would the delivery of it in a cars
> electrical system be nice and smooth enough?
There can be very nasty transients on it.
>
> 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?
> ................................................................
No, you can't use transformers for DC !
You can get laptop in-car PSUs from Maplin
http://www.maplin.co.uk/Module.aspx?ModuleNo=46989&doy=22m9D
Steve
> 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)?
Not good.
> If it'll be happy with 14vDC would the delivery of it in a cars
> electrical system be nice and smooth enough?
There can be very nasty transients on it.
>
> 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?
> ................................................................
No, you can't use transformers for DC !
You can get laptop in-car PSUs from Maplin
http://www.maplin.co.uk/Module.aspx?ModuleNo=46989&doy=22m9D
Steve