Goal Zero Nomad 100 Watt Monocrystalline Portable Solar Panel 100 watt (18-22v) foldable and Weatherproof Solar panel Features an 8mm Goal Zero connector for plug and play adaptability to Goal Zero Yeti power stations Folds down to 20" X 15" X 2" In a compact portable size Best paired with a Goal Zero Yeti portable power station Big wattage, Chainable, and weighs only 10 lbs. For chaining multiple nomadic 100 Solar panels together, purchase an 8mm to app Combiner cable.