What external battery cord is he using?

[danpass]

http://www.youtube.com/watch?v=UjFLXhLlhyI

start at 2:20. The cord goes from the external battery to the laptop.

I'm perfectly happy to make one myself if someone has a schematic.


thanks

 

[davidg4781]

http://www.mikegyver.com/Store/parts/

Maybe this??

 

[danpass]

even if it's not the same, that looks perfectly useful, thanks.