Renogy 100 Watts 12 Volts Monocrystalline Foldable Solar Suitcase Compact design makes it very portable and versatile. Folded size: 19.9 x 27.2 x 2.8 inches. Ideal output: 500 watt hours per day (depends on sunlight availability). Comes with adjustable corrosion resistant aluminum stand, heavy duty handle, latches for longevity, and protective casing. German made solar cells performance excellent in weak light environment and yield better energy over the long run. The low-voltage system avoids electric shock hazards. 30A built-in 4-stage solar charge controller provides overcharge protection, reducing fire risk.