Ensure you have power wherever your outdoor adventures take you with our 20W Foldable Solar Panel USB Portable Battery Charger. Designed for camping and outdoor activities, this solar panel provides a reliable source of energy to charge your cell phones and other USB-powered devices. Its foldable and waterproof design makes it i for use in various weather conditions, ensuring you stay connected and powered up. Specifications Feature Details Type Others Origin Mainland China Key Points and Features Efficient Solar Charging 20W Foldable Solar Panel: Provides efficient charging for cell phones and USB devices. USB Output: Compatible with most USB-powered devices. Portable and Waterproof: Designed for outdoor use, even in rainy conditions. Versatile Use I for Camping Accessories: for powering devices during camping trips. Foldable Design: Easy to store and transport in backpacks or camping gear. Reliable and Durable Waterproof Construction: Ensures durability in outdoor environments. Compact Size: Lightweight and portable for convenience. Why Choose Our 20W Foldable Solar Panel USB Portable Battery Charger? Choosing our 20W Foldable Solar Panel USB Portable Battery Charger means you have a dependable power source for your outdoor adventures. Whether you're camping in the wilderness or hiking remote trails, this solar panel ensures you can stay connected and powered using renewable solar energy. Its waterproof design and compact size make it an essential companion for any outdoor enthusiast. Please Note Ensure the solar panel is placed in direct sunlight for optimal charging efficiency. Check compatibility with your devices before use to ensure proper operation. Handle with care to avoid damage to the solar panel and its components. Stay prepared and powered with our 20W Foldable Solar Panel USB Portable Battery Charger, providing convenient and sustainable energy for your camping and outdoor activities. for maintaining connectivity and power wherever your adventures take you.   Product Parameters Solar panel conversion rate ≥23% Solar panel output power/W ≥20W Solar panel open circuit voltage/V 21V ±5% Solar panel operating voltage/V 18V Solar panel short circuit current/A 1.33A ≥ Solar panel operating current/A 1.11A ≥ Packaging Lamination+Sewing PET+EVA+Cell+EVA+PET+fabric sewing process solar cells Efficiency ≥23% 23.0% Silicon wafer type Monocrystalline 182P11BB cell Grade A silicon cloth PVC waterproof fabric 600D black single side glued   Other materials PET white board 0.2MM 202*302*0.2/MMFR4 PET frosted 0.2MM light transmittance ≥93% EVA 0.45MM light transmittance ≥91% DC output wire 1 DC to DC AWM 2464 20 AWG wire, 1.5 meters long   Usage   First, turn on the solar panel of the product, face the direction of the sunlight, and then put the device that needs to be charged Just connect the device to the output end of the product through the charging cable.     Solar panel precautions     1. Do not squeeze the solar panel with force, otherwise it will be easily damaged. 2. Do not put the product into water or get it wet. 3. When suitable for use, try to make the solar panels and solar light illuminate vertically, which can improve the solar power. Absorption of solar light by pool panels. 4. Please keep the solar panel surface clean, otherwise it will affect the absorption and conversion of solar light by the solar panel. 5. Try to ensure uniform illumination on each solar panel. 6. Please do not throw away abandoned solar panels.