This easy-to-use Portable Pack gives cars and light trucks a jump-start without relying on your vehicle battery. To use, connect the red clamp to the positive battery post and the black clamp to a ground. Then, turn the key of the disabled vehicle. 12V DC.
Built-In Charger: Fully automatic charging keeps the unit ready for every job
Maximum Power Transfer: Industrial grade clamps penetrate corrosion on battery terminals
Durable Case: Heavy-duty case is designed to withstand everyday use
Heavy-Duty Cables: 23"L 4G cables remain flexible in extreme temperatures
Cold Cranking Amps: 275
WARNING! This Jump-Start Pack must be fully charger prior to use. However, DO NOT leave jump packs plugged in constantly or the battery will burn out.