... ,L/C , paypal The term of shipment :by sea ,by air ,by express The packing :the carton ... samples every day. Lead time: our DC solar system production capacity is 30,000 pcs / month ... Controller, with clear LED Indicator that showing solar system's working conditioner, such as battery capacity, solar ... and our after-sale solution: The solar power system is composed of 4 parts, solar panel, battery ...