20W 5V Foldable Solar Panel USB 5 Panel Portable Solar Cell External Battery for Mobile Phones ChargerFeature:1. Collapse folded. Roller type folds in the same direction, the appearance is flat and more convenient to carry.2. Drop-proof design. Humanized soft elastic buckle, fit more smoothly, better protect your electronic products3. External power bank. Always store high electric power, can be directly charged by external mobile power source, worry-free outdoor trip.4. Equipped with Micro cable + built-in USB interface. Powerful power output, can directly charge electronic devices or external mobile power source, always reserve power, so you can travel outdoors without worry.5. Direct charging, large solar power. High-efficiency solar panels that directly charge electronic devices. Hassle-free boarding, safer without batteries. It can be used with a mobile power source to store energy at all times. Specification: Product Name: 20W 5V 50% off solar panel Product Material: Plastic Shell Product Color: Black Light Display: Red light is on under the sun, and green light is displayed when the solar output is used to charge mobile phone or mobile power source. Battery capacity: there is no built-in battery, you can bind any mobile power source through the strap on the main case, use the built-in cable on the main unit to charge the mobile power source, and turn it into solar energy with a mobile power source. Dual Output: 2 kinds of built-in line output and USB outputProduct input: 5V 1A solar input and outputProduct output: the better the sunlight, the faster the outputApplicable type: universal, three-proof mobile power sourceFoldable size: about 155*83*23mm Product weight: about 335 gramsNote:Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Please allow 1-2cm measurement deviation due to manual measurement.1 x Panel Charger1 x Compass Carabiner1 x Charging Cable