ON SALE! The GB70 delivers 2,000-amps (15,700 J3S). It includes spark-proof connections and reverse polarity protection making it safe and easy for anyone to use. This model is equipped with a 400 lumen LED flash light, a 2.1a USB port, & a 15a (12v) port. At only 5lbs, this unit will be convenient and ready to go when you need it most!