Has anyone ever used a car jump starter?

[PelicanPines]

Needed my GB70 today... the Mrs got stuck with that bad battery that I have been putting off changing out since April... (car we don't drive much)...

 

[kblee27]

If you carry around a 12V cordless tool, you can probably hook some wires into the battery and use it as a jump starter.

 

[PelicanPines]

If you carry around a 12V cordless tool, you can probably hook some wires into the battery and use it as a jump starter.

A GB 70... is 2,000 amp... what tool battery are you suggesting?...