21W Foldable Solar Panel Charger Black Portable Solar Phone Charging Panels with Dual USB Port for Outdoor Hiking

Feature: 1. Multiple Devices Charging: Solar chargers allow you to charge multiple devices at once. It comes with smart charging technology that can intelligently identify your device and then provide the best charging speed according to different devices. 2. 20.8percent Conversion Efficiency: Converting up to 20.8percent of solar energy into free energy with full sunlight, solar panels are the most durable and can withstand the elements and wear and tear better than traditional panels. 3. Portable: With its compact size and lightweight design, it is portable and lightweight enough to fit into any camping or hiking backpack. If you re going on long camping trips or traveling in places with an unreliable power grid, a solar charger is a great option. 4. Power Generation: Solar chargers provide a small power plant to generate electricity for your cell phone and small electronic devices to keep them charged when the sun goes down. No power storage function. 5. Safe and Reliable: Safe charging and over current, over temperature and short circuit protection. This product does not contain batteries, there is no fear of exposure to high temperatures, and there is no burning or explosion. Specification: Item Type: Foldable Solar Panel Charger Material: PET polymer Gross Weight: 731g 25.8oz Product Size: Expand: 65x29cm 25.6x11.4in, Folded: 29x17x3cm 11.4x6.7x1.2in Color: Black Charging Efficiency: Varies with sunlight strength Power: 21W Conversion Efficiency: 20.8percent Peak Output: 3500mA. Package List: 1 x Foldable Solar Panel Charger1 x English Manual Note: 1.Any clouds or coverings may affect the charging speed. Although our solar chargers have an auto restart feature, if charging is too slow, we still recommend that you turn on the solar panel again and reconnect your device.2.No power storage function.