A powerful 12 amp hour AC/DC power supply in a heavy duty padded bag with carrying strap. Connect through the USB charging port, single AC outlet, or single DC cigar outlet with a long lasting 12 AH battery. When you plan for a lower power draw over a longer period of time, this lightweight, highly mobile power supply gives you up to 300W peak, 150W continuous AC power, and 15 amps of DC power for lighting, laptops, and AC/DC appliance needs.