More and more people like sustainable products these days.The alternative engergy product is one of the most stable items in promo market.This modell made with the most powerful and attractive mono-crystalline panels available,it works perfectly in converting the ubiquitous energy from the sun into electrial energy to power your gadgets.It performs adequately when charging small wattage devices such as cell phone,flashlight,GPS unit,speaker,and tablet with this solar panel.Your logos are welcome.