Description:Our solar panel kit is 30W, with 2 USB ports and 1 USB C for charging, one of which uses QC3.0 fast charging technology, which is 4 times faster than traditional chargers. solar panels are portable and can be used for camping, biking, picnic, RV travel, charging mobile phones, tablets, computers, etc.Specification:Name: Solar Panel Phone ChargerPower: 30WMaterial: Monocrystalline siliconConversion efficiency: 23.5%Packing List: 1*Portable Solar Panel Set