MC-4 USB (Universal Serial Bus) & DC Output Methods MC-4 Output can deliver 25A (max)current while the DC port only carry 10A, Dual USB (Universal Serial Bus) port (5V/2.4A per port) for charging your 5V powered gadgets, & 18V DC output (18V/3A) for charging your laptop or 12V car battery & portable generator, the junction box parallel connecting port for connecting multiple foldable solar panel. High Efficiency 140W solar cell is made from US, up to 22% efficiency, providing endless joice for laptop, power station, cellphone & other battery under sun. Foldable & Portable 1/3 lighter than the same power of solar slicon. The total power increased by 1/3 in compare with the same solar panel size. Folded size only 22x 14.2x 0.2inch, 9.9lb, Great for traveling off the beaten path without access to electric & won't take up much room. Waterproof & Durable Constructed with a durable & waterproof nylon & adjustable bracket to receive the most effective sunlight; The solar panel is FCC, Ro HS, CE certified. Short circuit & surge protection technology keep you & your devices safe. Package Contents ALLPOWERS 140W foldable solar panel, MC-4 to 5.5x 2.1mm cable, MC-4 to Anderson cable, MC-4 to alligator clip, 5 laptop & power station connectors, instruction manual