Omnis Power Co.,Ltd is one of the best 15w solar charger manufacturers and suppliers,Website: , welcome to buy or wholesale cheap TUV and IEC 15w solar charger from our factory and you are also welcomed to check the price with us.The smart charger controller box contains a programmed CPU chips to protect your devices and it was set to be rebooting every FIVE minutes to ensure the charging being constant without interruptions cased by the weather changing or other factors. OP-SC15 Model ： OP-SC15 Wattage ：15W Voltage： 5V Max Charging Amp： 2.0A Number of Panel：3 Number of USB Ports ： 2 Unfolded Size： 10*7.48 in Folded Size：28.1*7.48 in Weight：1.85 ibs Colour ：Black/Camouflage Accessory ：Charging Cable*1 Waterproof Bag*1 Backpack Chain*2