Bloody great lttle tool for a tenner, works even in this shitty cloudy weather. Gonna leave it on the Rangie while I'm on holiday.
I put one on the 300tdi with a bloody flat battery a few days ago & I went to try it today & it did turn the engine over, not enough bollocks to start it, but i reckon a week or so it could have been OK to start it.
Great for bikes & caravans too.