[High -efficiency single crystal solar panel] Our solar panel adopts a new conversion method, double the working current of solar output in the same area and power. High -efficiency single -crystal solar panels have good performance even under the condition of insufficient light. The internal diode can prevent leakage at night. [Long service life] Advanced packaging materials adopt a multi -layer pressure plate, which can improve the performance of battery and extend the service life. This module can withstand high wind pressure, snow load and extreme temperature. [Widely used] This solar energy trickle charger is widely used in various vehicles, RVs, camping cars, tractors, motorcycles, snow motorcycles, ships, etc. [After -sales] If you have any questions, please contact us, our service team will provide you with professional satisfaction services. [Multiple protection and reliability] Solar tricks are equipped with overcharge and reverse discharge protection modules, which can be safely used for various vehicles.