This USB mini solar panels are coated with PET material, and the surface is slightly concave and convex, which increases the contact area with the sun and the conversion rate of energy. It converts 20% of solar energy into free energy in enough sunlight.
^We provide full range of printing methods for your choice and requests.
^Freight matches shipping methods and time is free.
^Sold Less Than Minimum and Unimprinted, cost is depended by the quantity and your choice of shipping methods.
^Listed costs do not fit for shipping to Canada, please request quote.
