They should have named it “ONE SHOT.” For, you only get one shot at starting your car and then you are SCREWED!
Another “benefit” of having this piece of crap is that if your alternator stops generating you aren’t going far down the road. If it happens at night you are really, really SCREWED!
There are Lithium batteries inside the box...................
What? No, that's not true. If do you a lot of cranking, you might have to wait several minutes for the electric double-layer capacitors to charge back up from the internal LiPoFe batteries, but "one shot"? No.