Features 1100A Controller Current: 100A controller current 2A working current 12/24V controller working voltage easy to use. 2Monocrystalline Silicon Material: The solar panel adopts monocrystalline silicon material which has high cell efficiency and stable and reliable long term output. 3High Conversion Efficiency: Outdoor solar panel has high conversion efficiency good output efficiency low light efficiency light weight easy portability and strong applicability. 4Simple Operation: In the sun connect the solar panel and the controller it can be used the operation is simple and easy to use. 5Scope of Application: Polysilicon solar panel is suitable for car batteries cars RVs ships airplanes outdoor farming planting tourism solar street lights. Specification Item Type:50WSolarPanelsMaterial: PolysiliconWeight: Approx. 1180g / 41.6ozSolar Panel Unfolded Size: Approx. 79 x 34.5cm / 31.1 x 13.6inSolar Panel Power: 50W (Without Power Storage Function)Working Current: 2AController Current: 100AHow to Use: In the Sun Connect the Solar Panel and the Controller You Can Use Package List 1 x Solar Panel1 x Controller1 x Crocodilian Clip4 x Suction Cups1 x Connecting Cable2 x Instructions Note 1. Please do not use incisive objects to scratch the appearance of the solar panel.2. When charging the charger with solar energy please place the solar panel facing upward in direct sunlight to ensure the best charging effect.3. Please do not place the charger in the outdoor solar energy for emergency charging on rainy days so as not to cause a short circuit. (The front of the solar panel is not afraid of rain (pay attention to the USB and DC interface does not enter the water is good.)