Product Name: 2W 5V Solar Panel ChargerWorking voltage: 5VWorking current: 0-400MASize: 157 * 94MMOutput port: USBUSB cable length: 50CM (subject to actual product)Chip: A-grade polycrystalline siliconProcess: EVA laminated integratedUsage: Can charge 3.6V-5V electronic products (such as mobile phones, fans, flashlights, monitoring devices, etc.)Usage: Direct sunlight while drying and fillingNote: This product does not have storage function and works better with batteries. Product name: 2W 5V Solar Panel Charger