The Joltmate battery jumper works great!!! I charged up this jumper and decided to take it with me when I took my pup to in for a check up at the vet. Afterward, my truck would not start. This jumper worked effortlessly and got my truck going on the 1st try. I was so glad I had gotten this.

Since that cold weather a few days ago my car will not start. Tried some jumper cables but my jumper cables were bad so I figured let me just order this from Joltmate. This thing worked immediately. I just hooked it up and boom car cranked.

Have used this several time after car set for a few weeks while on vacation and battery was low from the cold. This jump started has come in handy last few months. My battery was 8 years old and starting to die with the cold temps in Vegas but this would start the car and worked for two days until I could get a new battery installed.