Item Name: Charger Material: Grade A Crystalline Silicon, Cloth Rated Power: 4.5W Product Certification: CE Polycrystalline Silicon Solar Panel: 4.5W Output Voltage: 5V Current: 0-9A more→(Intelligent Voltage Stabilization) Output Interface: USB Component Efficiency: 19.7% Features: Easy to Carry, with LED Indicator, Not Hurt Device Specifications: What this solar charger with foldable design can offer you is that it is portable, takes up no space, and can quickly charge your mobile phone, allowing you to recharge your mobile phone even outdoors. It is this solar charger that can help your mobile phone to charge quickly outdoors without damaging your equipment.