ITEM NAME:7W USB Solar Cells Panel Mobile Phone Power Bank Battery Charging Board Product Description Description: 7W USB Polycrystalline Silicon Solar Cells Panel for Mobile Phone Power Bank Folding DIY Battery Charging Board Module Specification: Material: Class A Polycrystalline Silicon Solar Panel Power: 7W Working Current: 0-1100mA Working Voltage: 5V Output Port: USB Single Solar Panel Size: 126 X 140mm/4.96 X 5.51" Expanded Size: 255 X 140mm/10.04 X 5.51" Uses: 5V Electronic Products, such as mobile phones, power bank, etc., can also charge 3.7V batteries Note: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! 2. Please allow 1-3mm measuring deviation due to manual measurement. Included: 1 X Solar Panel.Material: Class A Polycrystalline Silicon Solar Panel. Single Solar Panel Size: 126 X 140mm/4.96 X 5.51". Included: 1 X Solar Panel. Output Port: USB. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures.