Feature:1. Simple \u0026 Eco-friendly: it converts solar radiation into electric energy by absorbing sunlight, then you can charging your personal electronic equipment when you are hiking, climbing, camping, picnic, etc. Suitable for various 5V/12V electronic devices and power supplies.2. Principle: A Solar panel is a device that converts Solar radiation into electric energy directly or indirectly by means of photoelectric effect or photochemical effect by absorbing sunlight.3. Foldable \u0026 Portable: with multiple large inbuilt solar board, the charging device can be folded into as small as a tablet, designed with hanging hole for conveniently hang it on the backpack with the provided climbing clip. It is lightweight, easy to carry, and good in safety.4. Reliable Quality: With high-efficiency mono-crystalline silicon solar cells, Generation rate of this solar charger is more than 1.2 times of that of ordinary solar cells. Its waterproof quality allows you to using it at any weather conditions, whether it is rainy or snowy.5. 3-in-1 USB Charge Cord: with iOS Phone/Type C/ USB for charging mobile phones, tablet, laptop, camera, and the cable are braided cord that are not easy to wear out.6. Safety: Built-in voltage regulator system, the conversion rate is over 93%, the output is more stable. With MPPT function, charger is low-loss dual voltage output. Low-voltage output, no security risks.Specification:This solar charger is lightweight with waterproof material(not including USB port). It can convert solar energy into electrical energy and transmit directly to electronic charging device. Suitable for trekking, camping or any condition without power supply. This product is designed to be user-friendly, small in size, foldable and portable, and can be placed on the vehicle body, backpack, tent, ground, and other places with sufficient lighting to produce low-cost renewable energy.Features:Due to the production of sheet cutting and production batch, the grain on the solar panel will be different, does not affect the function!Simple & Eco-friendly: it converts solar radiation into electric energy by absorbing sunlight, then you can charging your personal electronic equipment when you are hiking, climbing, camping, picnic, etc. Suitable for various 5V/12V electronic devices and power supplies.Principle: A Solar panel is a device that converts Solar radiation into electric energy directly or indirectly by means of photoelectric effect or photochemical effect by absorbing sunlight.Foldable & Portable: with multiple large inbuilt solar board, the charging device can be folded into as small as a tablet, designed with hanging hole for conveniently it on the backpack with the provided climbing clip. It is lightweight, easy to carry, and good in safety.Reliable Quality: With high-efficiency mono-crystalline silicon solar cells, Generation rate of this solar charger is more than 1.2 times of that of ordinary solar cells. Its waterproof quality allows you to using it at any weather conditions, whether it is rainy or snowy.3-in-1 USB Charge Cord: with iOS Phone/Type C/Micro USB for charging mobile phones, tablet, laptop, camera, and the cable are braided cord that are not easy to wear out.Safety: Built-in voltage regulator system, the conversion rate is over 93%, the output is more stable. With MPPT function, charger is low-loss dual voltage output. Low-voltage output, no security risks.Specifications:Power: 30W / 40W / 50W (Optional)Material: Silicon crystal plate+Oxford clothUSB Output: 5V/2.0ADC Output: 18VSolar Cells: high-effiviency mono-crystalline silicon30W:Solar Panel Quantity: 4pcsSolar Panel Size: 255 * 165 mm / 10.04 * 6.5 inchFolding Size: 280 * 200 * 35 mm / 11.02 * 7.87 * 1.38 inchUnfolded Size: 278 * 980 mm / 10.94 * 38.58 inchItem Weight: 813g / 28.68ozPackage Weight: 1147g / 40.46ozPackage Size: 30.2 * 20.5 * 5 cm / 11.89 * 8.07 * 1.97 inch40W:Solar Panel Quantity: 5pcsSolar Panel Size: 255 * 165 mm / 10.04 * 6.5 inchFolding Size: 280 * 200 * 40 mm / 11.02 * 7.87 * 1.57 inchUnfolded Size: 278 * 1195 mm / 10.94 * 47.05 inchItem Weight: 973g / 34.32ozPackage Weight: 1307g / 46.1ozPackage Size: 30.2 * 20.5 * 5 cm / 11.89 * 8.07 * 1.97 inch50W:Solar Panel Quantity: 6pcsSolar Panel Size: 255 * 165 mm / 10.04 * 6.5 inchFolding Size: 280 * 200 * 45 mm / 11.02 * 7.87 * 1.77 inchUnfolded Size: 278 * 1415 mm / 10.94 * 55.71 inchItem Weight: 1156g / 40.78ozPackage Weight: 1500g / 52.91ozPackage Size: 30.2 * 20.5 * 5 cm / 11.89 * 8.07 * 1.97 inchPackage List:1 * Solar Panel1 * 3-in-1 Charging Cable1 * DC Extension Cable1 * DC Male to Male Cable4 * Carabiner Clip8 * Multifunctional Adapter1 * User Manual (English)Package List:1 * Solar Panel1 * 3-in-1 Charging Cable1 * DC Extension Cable1 * DC Male to Male Cable4 * Carabiner Clip8 * Multifunctional Adapter1 * User Manual (English)