Bring on the power! Never be stuck on the side of the road due to a dead battery or bring that Porsche that s been sitting for months back from the dead with these booster pac 12 volt jump boxes. The es2500, with 900 peak amps is able to jump up to 5 vehicles on one charge. Booster pacs come with led battery status indicators and a dc outlet on the front which can power a variety of 12 volt accessories, as well as a 1 year warrenty from the manufacturer. The techs at autoatlanta use these boxes on a daily basis and swear by them. Add some piece of mind to your garage and get your own booster pac.