Description 100% brand new and high-quality. Adopting environmentally friendly polycrystalline silicon, with high conversion rate and durability. Compact and lightweight, easy to carry and use. USB output port for charging mobile phones, tablets, or 3.7V 18650 batteries. Specifications 2W 5V Solar Panel Charger Material: Polycrystalline silicon Working voltage: 5V Working current: 0-400MA Size: 157*94MM/6.18*3.7in Output port: USB USB cable length: 50CM (subject to the actual product) Process: EVA laminated one Package includes 1*Solar panel Note: Due to manual measurement, please allow an error of 1-3mm. Please ensure that you do not mind before bidding. Due to the differences between different monitors, the images may not reflect the actual color of the item. Please refer to the actual image received. Thank you very much.