Description:Highly efficient solar cells convert solar power into free electric energy. Multi-functional solar panel with dual USB output which can charge your various mobile phones or other electronic devices. Reliable, and energy-saving solar cells can give you a wonderful new charging experience.Specifications:Material: Polycrystalline SiliconWeight: 152gSize: 215*185*2.5mmPacking size: 250*205*40mmPacking weight: 300gWaterproof: IP65Compatibility: For iPhone, For iPad, For Samgsung smartphonesOccasion: Camping, RVs, Cars, Home, etcPacking List: 1*Solar Panel +1*Car Charger + 1*Battery Clip + General InstructionsparameterMaximum power (pmax): 10WOpen circuit voltage (voc): 20VMaximum power voltage (vmpp): 18vShort circuit current (isc): 0.4AMaximum power current (impp): 0.25AOutput: USB 5V DC5521 18VCaution:1. This product cannot contact with strong corrosive objects.2. Please do not let hard objects surface scratching during operation.3. The product cannot endure the bending force during transportation and assembly.