The Monster 12V Ultra Safe Lithium Ion Jump Starter, No. MST8028, features an 18,000mAh battery that offers 300 cold cranking amps and 700 peak amps. The MST8028 is wrapped in aluminum for improved protection and dynamically changes current when a load is placed on the battery, according to the company. The jump starter has three charging ports: 19V for laptops, 12V for standard accessories and 5V for charging USB devices. The MST8028 comes in a splash-proof case that contains HD battery clamps, a USB charging cable with four adapters, a 12V cigarette lighter adapter, wall charger and an OBDII memory saver.