Autowit SuperCap 2 Battery-Less Portable Car Jump Starter with Carrying Case Bulit-in Supercapacitor

What's not to like? Never needs maintenance like a battery, multiple charge options if your dead battery is too low and puts out more starting amps than most battery based jump starters. No need to rely on strangers to help and most people are rightly wary of jump starting someone else's car as they might damage electronics. This checks every one of the emergency checklist boxes in my book.

We bought this for our hybrid minivan in case we need it. My husband tested it and says it's perfect.

Use this item on one of my work shuttle totally dead battery not even a click but after about 2 minutes the shuttles bus started up!!! So awesome

Bought a new Tacoma after i retired and i dont really go anywhere much so my battery dies if i dont use in 4 days. i know the Alarm drains battery and part of it. its great that i dont need to be rescue bt anyone else. Easy to use.

The product performed as listed start up the car without any hesitation.

Already own one. purchased this as a gift. Great item.

Good product

Works Great !

One of the problems with having a battery jumping unit for your vehicle is the fact that jumper itself is a battery. The average person will keep this in their vehicle most times. The underlying problem is keeping it in your vehicle in the South Florida heat. The high temperature will quickly cause a battery based unit to fail. This product solves this issue by not having a battery. The series of step up capacitors take what partial charge the car battery has a focuses it into a high surge to start the vehicle. It has worked every time so far. The only drawback would be a complete dead shorted battery but, in my experience this is not common. A good South Florida solution.

Not powerful enough, takes way too much time to charge , I charged it with healthy battery