Product Name: 2W 5V Solar Panel Charger Working voltage: 5V Working current: 0-400MA Size: 157 * 94MM Output port: USB USB cable length: 50CM (subject to actual product) Chip: A-grade polycrystalline silicon Process: EVA laminated integrated Usage: Can charge 3.6V-5V electronic products (such as mobile phones, fans, flashlights, monitoring devices, etc.) Usage: Direct sunlight while drying and filling Note: This product does not have storage function and works better with batteries. Product name: 2W 5V Solar Panel Charger