Features: Materials: Solar panel durable using highquality polysilicon material it has the characteristics of compression resistance corrosion resistance and so on you can use it with confidence. Lightweight: Portable solar panel lightweight and convenient small size and light weight convenient for people to carry out to charge and use avoiding the embarrassment of running out of electricity. Wide Application: Solar charging board very suitable for small home projects scientific projects electronic applications charging small batteries and other DIY projects with solar power. Multi-Purpose: Solar panel charger charging for home lighting and various lowpower equipment scientific projects solar water pumps small solar systems etc. Replacement: Solar panels are devices that absorb sunlight and convert it directly or indirectly into electrical energy through photoelectric or photochemical effects. Specifications: 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 the actual product) Chip: A grade polysilicon Process: EVA laminated one includes: 1 *Solar Panel "