POWERFUL AND LIGHTWEIGHT: This solar panel packs 300W of power yet is only 24mm in thick and weighs only 7.5 kg, making it easier to transport, hang. HIGH CONVERSION EFFICIENCY: With high efficiency monocrystalline solar cell, you will get greater power efficiency even though the panel is smaller than a traditional model. Maximizes system output by reducing mismatch loss; 100% EL testing on all DOKIO solar modules, guaranteed no hot spots. The outermost layer of the product is made of thick and breathable material. The portable design is easy to carry, suitable for camping, hiking. Powerful power can meet the needs of your daily travel. It can power car refrigerators, RV batteries, portable solar generators, and also charge tablets and mobile phones. This product is equipped with our own new PWM controller, which includes 3 types of cable, USB, alligator clip, and DIY cable. Compared with the ordinary controller on the market, it uses a USB port to reduce current loss. FFSP-300M (300W) Maximum Power(Pmax): 300W ± 3% Maximum Power Voltage(Vmp): 18.00V Maximum Power Current (Imp): 16.67A Open-Circuit Voltage (Voc): 22.50V Short-Circuit Current (Isc): 16.92A Foldable Dimension: 41x21x1.1(in)/104x54x2.6(cm) Expansion Dimension: 85x41x0.27(in)/216x104x0.65(cm) Net Weight: 7kg The above dimensions are manual measurements and there is a certain error. For reference only. Build a powerful portable solar panel system for your RV or travel now! Purchase two pieces at the same time to get free parallel cables for portable solar panels.The cable can support up to 3 solar panels in parallel. Please note that only Dokio solar panels with the same current and voltage can be connected in parallel.