100w -solar panel kit 12v battery charger 10-100a lcd -controller for caravan van boat - without solar

constructed with high-quality materials, environmentally friendly, slightly waterproof, durable and sensitive. low noise, high efficiency and low failure rate. lightweight and portable, easy to carry. 4. as long as there is sunlight, high conversion rate can be continuous power supply. suitable for outdoor activities, emergencies and outdoor work. note: the controller option is chosen by yourself. if you select no controller, you will not own the controller. he conversion rate is high, no matter how the sunlight angle changes.