> Thanks for that. I was hoping to be able to run an inverter for the kids to
> have a laptop running for a long trip and possibly the fridge, looks like
> I might have to find a plan B.
>
> Thanks for the advice.
Rather than running an invertor to convert 12 volts DC up to 230v AC, then
use the laptop power supply to convert that back down to 19v DC, which is
extremely inefficient in terms of 12V power consumption, you can now get
laptop power supplies which run directly off the 12V car supply, using far
less power.
I have certainly used a fridge, or at least one of those powered cool boxes
on my 307 rear socket whith no problems at all.