Description:The 8W monocrystalline battery charger for mobile phone 5V 1600mA comes with a USB output device, which is a portable solar panel for outdoor mobile phones. Features: The efficiency of monocrystalline silicon solar cells is up to 18.8%. Equipped with a standard USB voltage regulator to maintain 5-6V output. Slim and lightweight for outdoor activities. Features:Name: 8W 5V Panel Charger Working Voltage: 5V Working Temperature: 0-1600MARsolar Panel Size: 285*172MM/11.2*6.7inchBox Size: 325*185*35MM/12.7*7.2*1.3inch Output Port: USBUSB Cable Length: 50CM/1.9inch (Depends on the actual product)Wafer: Polysilicon Grade Process: EVAM Laminated Solar Analysis Weight: 140G/4.9oz (Depends on the actual product)Packing Weight: 210G/7.4oz (depends on the actual product)Packing List: Portable Solar Charger*1