Specifications: These Are Coleman Jumpstart System. They very useful. It is a portable Rechargable battery with jumper cables that will jumpstart the car. They also have a Light on top. Please see attached photo. Built-in 10-watt work light. Dual 12-volt power ports.(So anything that goes in a car charger plug in the car will work off this. Also you can plug power inverters in this for portable 110 watt power) Rechargeable(cords included). Car charger Color-coded cables.18 amp/hour sealed lead-acid battery. And they Come Fully charged. These are case packed four to a case.