Feature:1. High Conversion Efficiency: Solar panels have high conversion efficiency, good output efficiency, low light efficiency, light weight, easy portability and strong applicability.2. Polysilicon Material: Solar panel charger adopts polysilicon material, which has good light transmission and sealing, simple operation and easy to use.3. Rechargeable 3.7V battery: Solar panel charger can charge 3.7V battery, 0-330MA working current, it is a special board for solar lights, without power storage function.4. Scope of Application: Solar panel charger is used for battery charging, home lighting, various low power electrical appliances, scientific research projects, solar water pumps, small solar power generation systems, etc.5. Lightweight and Portable: Solar panels are small and lightweight, lightweight, compact, stylish and sturdy, beautiful shell, easy to carry and use.How to Use:It can be used in the sunSpecification:Item Type: Solar PanelsMaterial: PolysiliconWeight: Approx. 130g / 4.6ozSize: Approx. 13.5 x 11cm / 5.3 x 4.3inWorking Current: 0-330MAShort Circuit Current: 400MAWorking Voltage: 6VShort Circuit Voltage: 7.5VScope of Use: Special Board for Solar LightsFunction: Rechargeable 3.7V BatteryFeatures: No Power Storage Function Package List:2 xSolar Panels