1、Solar Panel Kit: 15W flexible solar panel kit, supplying power to most 12V batteries, environmentally friendly and durable, suitable for outdoor operation. 2、For Outdoor Use: Flexible solar panel can be bent by 30 degree and installed in outdoor scenes such as RV, fishing boat, wooden house and tent for power supply. 3、Circuit Protection: The built in blocking diode can prevent the battery from discharging at night, the current cannot return and damage the circuit in the battery. 4、Durable Material: Glass fiber and polycarbonate monocrystalline silicon solar panel make the panel more durable, the waterproof design is perfect for bad weather. 5、Applicable System: A flexible solar panel is suitable for 12V system, and 2 solar panels can be used for series 24V and parallel 12V system, has good practicability.