Feature: 1. High Efficiency: 20W monocrystalline silicon solar panel, controller supports 300W, maximizes the utilization of sunlight energy, provides reliable power support for RVs and camping activities. 2. Multiple Usages: The flexible solar panel supports the 18V battery clip, directly charge the electric RV, and can also charge the 12V battery, to meet the power needs of different scenarios. 3. Monocrystalline Silicon: This solar charge panel uses excellent monocrystalline silicon, which has good resistance to weathering and durability, and can adapt to various harsh environments. 4. Safe and Reliable: This flexible solar panel has overload guard function, avoiding overcharging, over discharging, and short circuits, protecting the security of the battery and equipment. 5. Wide Application: This solar panel is compact and lightweight, easy to carry and install, suitable for battery charging, security camera, automatic door, chicken coop, boat, and off grid applications. Specification: Item Type: Flexible Solar Panel Material: Monocrystalline Silicon Solar Cell: Monocrystalline Silicon Maximum Power: 20W Operating Voltage: 18V Open Circuit Voltage (Voc): 21.6V Maximum Power Current (Impp): 1.11A Solar Panel Size: Approx. 420 x 280 x 3mm / 16.5 x 11 x 0.1in Use: Suitable for RV, yachts, 12V car battery, balcony, rooftop Controller Support Power: 300W. Package List: 1 x Solar Panel 2 x Connectors 2 x Connector Cores Note: There is a slight error in size.