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

Item Type: Foldable Solar Panel ChargerMaterial: PET polymerGross Weight: 731g / 25.8ozProduct Size: Expand: 65x29cm / 25.6x11.4in, Folded: 29x17x3cm / 11.4x6.7x1.2inColor: BlackCharging Efficiency: Varies with sunlight strengthPower: 21WConversion Efficiency: 20.8%Peak Output: 3500mAPackage List：1 x Foldable Solar Panel Charger1 x English ManualNote: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.

• 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.
• 20.8% Conversion Efficiency: Converting up to 20.8% 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.
• 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.
• 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.
• 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.