2-5Pcs Solar Charging Panel for Light 3W 5V Portable Photovoltaic Cells Solar Plate for 3.7V Battery 3-5V Battery/Phone Charger

High-concerned chemical : None Material : Polycrystalline Silicon Model Number : Portable Solar Panel Foldable Solar Panel : No Flexible Solar Panel : No Number of Panels : 1 Type : Solar Panel Brand Name : Shunmaii Origin : Mainland China Certification : None Material : Class A Polycrystalline Silicon Solar Panel Process : Epoxy board Power : 3W (max) Working current : 0-240MA Short circuit current : 250MA Working voltage : 5V Short circuit voltage : 6.5V Weight : about 40G (including packaging) Size : 100*100*3mm/3.94*3.94*0.12''