The DEWALT DXAELJ18C is a portable and powerful jump starter and USB power bank in a small take-along size. 1800 peak amps of starting power to jump start cars and trucks up to 8-cylinders. Metal clamps are included. The reverse polarity protection assures that jumper cables are connected correctly. The powerpack features 30W USB Type-C-PD (power in/out) and USB 15W Type-A ports to charge most devices. The bright LED light helps with repairs after dark. Includes an attractive, handy carrying case.