Tim Watts explained :
On 18/11/16 17:04, Munch wrote:
Been toying with the idea of getting one of these battery pack jumper
thingies like this one on the Bay of Fleas: http://tinyurl.com/hzczdkp

Any preferred brands? Does that one look like a good one? Are they
worthwhile or just a 'toy' that doesn't work particularly well?

I have one of these:

https://www.amazon.co.uk/DBPOWER-165.../dp/B00YDZR3ZI

and it has started a diesel 2.0l VW Touran with a dead battery (lights on, no
crank action left).

I was surprised... It seems to hold its charge well too.

Cheers Tim, I went on to buy this one because of your reply and it
arrived yesterday. Now I just need a mate with a 'basic' car that we
can disconnect the battery from and try it - I don't want to do that on
my own car as it'll lose all sorts of settings