1、High efficiency solar panels, with the highest quality and efficiency, providing 17%‑24% efficiency. 2、Lighter, thinner, and more practical, making it the development direction and trend of solar panels. 3、Dual output 5V USB output is compatible with your mobile phones, including for iphone and for android phones, and can be compatible with most 5V devices such as cameras, for PSP, MP4, etc. 4、18V DC output, high power, compatible with laptops, E‑cigrette battery chargers and most 18V devices. 5、The unfolded size is 108x30x1.7cm, and it can only be folded 30x30x4.5cm. It can be folded into a handbag with a handle, which is convenient to carry. 6、The sturdy quality is specially designed for outdoor use, and it works in good sunny conditions, but does not support rainy or cloudy days. 7、The PET laminated solar panel is made of highly wear resistant PVC fabric to ensure waterproof and weather resistance. Item Type: Solar Panel Charger Kit Material: Plastic, Canvas, PET, PVC Solar Panel: 40W (Maximum) USB Output: 5V 0~2.1A (Maximum) DC Output: 18V 2.1A (Maximum) Folding Size: Approx. 30x30x4.5cm/11.8x11.8x1.8inExpanded Size: Approx. 108x30x1.7cm/42.5x11.8x0.7in 1 x Solar Panel 1 x DC Cable 1 Set x Laptop Socket Adapter 1 x DC to SAE Cable 1 x SAE to Clamp Cable 1 x Manual