21% High Solar Cell Efficiency: EL tested solar modules with bypass diodes and high transparency tempered glass, ensure high efficiency in poor lighting condition and no hot-spot heating Versatility and Portable: The solar case is compatible with gel, sealed, lithium, and flooded batteries. Adjustable, corrosion-resistant aluminum stand as well as durable handle and latches are perfect for outdoors activities, like hiking, camping, events, road trips and motorhome Entire Off Grid Power System: This solar suitcase is an entire solar power system incorporated into a compact package. The solar kit weighs 26lbs, includes folding solar panels, 20 Amp waterproof Voyager charge controller with LCD Screen, tray cable with alligator clips and protective case 20A PWM Charge Controller：Built-in 5-stage solar charge controller charges batteries in a rapid, efficient, and safe way. Multiple electronic protections (overcharging, overload, short-circuit and reversed polarity) ensure your battery is being correctly charge Technic Data: Maximum Power: 100W·Maximum Operating Voltage (Vmp): 18.0V·Maximum Operating Current (Imp): 5.56A·Open-Circuit Voltage (Voc): 21.6V·Short-Circuit Current (Isc): 6.0A·Folded Dimension: 19.9 x 27.2 x 2.8 inches