Specification: Item Type: Solar panel Material: ABS Weight: Approx. 345g / 12.2oz Color: Black Power: 20W Solar Panel Size: 34.5x12.5cm / 13.6x4.9in  Controller: MPPT USB PD QC3.0 12V 24V self adaptation Package List: 1 x Solar Panel 1 x Controller 4 x Suction Cup 1 x Cigarette Lighter 1 x Connection Cable 1 x Clip 1 x Manual Note: This solar panel does not have storage function. Features EFFICIENT ENERGY UTILIZATION: The 20W solar panel harnesses the power of renewable energy to charge your electric vehicle, significantly reducing energy consumption and promoting sustainability. WATERPROOF CONTROLLER: Designed with a waterproof controller, this 20W solar panel can withstand challenging weather conditions, ensuring reliable performance and durability for long lasting use. ECO FRIENDLY CHOICE: By utilizing solar energy, this 20W solar panel helps reduce reliance on fossil fu.els, making it an environmentally conscious option for charging your electric vehicle. PREMIUM PANEL: Crafted with black solar panels, this 20W solar panel delivers exceptional light energy conversion, optimizing charging efficiency for your electric vehicle. SUITABLE FOR 12V 24V SYSTEMS: This 20W solar panel kit comes with a 12V 24V controller, offering compatibility with various home and vehicle power systems, ensuring versatile and practical charging options.