https://electricbikereview.com/accessories/goal-zero/yeti-400-solar-generator-kit/ The Goal Zero Yeti 400 Solar Generator Kit includes the 396 watt hour Yeti 400 and 20 Amp Nomad 20 solar array. It is a portable backup battery pack with one 12 volt adapter, two USB ports and two 110 volt AC standard plug outlets, integrated handle makes it easy to lift and four rubber foot pads keep it from sliding, vibrating or scratching delicate surfaces. The Nomad 20 solar panel sheet uses a magnetic clasp to stay folded and has a convenient zippered pouch on the outside to store accessory cables, plenty of loops to hang it up, multiple output cords including USB, 12 volt and Goal Zero lantern port. All of the ports are color coded and well organized, different sections of ports can be powered on and off separately to save power, the display panel is backlit and clear, replacement Absorbent Glass Mat packs are easy to install and available for under $100. Weak 180 day warranty on battery cells, solid on year warranty on other parts and accessories, doesn’t come stock with a 12 volt car charger, heavy to lift at ~30 lbs, discharges surprisingly fast even if not being used, AGM cells only get 500 to 700 cycles.