Provides short circuit protection by limiting the current to safety levelsOffers 19.5 V DC outputIncludes 1 x 4-inch AC power cable / 1 x 3 ft AC power cable / 1 x 5 ft extension DC power cable / 1 x 3 ft DC power cable with automobile cigarette lighter connector / 1 x 3 ft DC power cable with airplane EMPOWER® type connector / 1 x Black Carrying Case / 1 x User Guide