Feature 1Reliable Monocrystalline: The solar panel is made of monocrystalline material, which can achieve long term output stability and reliability. 2High Working Efficiency: Outdoor solar panels can effectively convert sunlight into electricity with a conversion efficiency of up to 20%. 3IP65 Waterproof: Adopting epoxy resin surface laminating, the solar power panel is waterproof, making it ideal for outdoor or winter use. 4100A Controller: The kit included a 100A sealed battery universal controller, bringing you more convenience, safe and stable performance. 5Application: 40W 18V solar panel is perfect for boats, tractors, trailers, trucks, RVs, etc. Can also be used for hiking, camping, fishing, etc.Item Type:SolarPanelMaterial: MonocrystallineMaximum Power (Pmax): 40W Open Circuit Voltage (Voc): 20V Maximum Power Voltage (Vmpp): 18VShort Circuit Current (Isc): 2A Maximum Power Current (Impp): 2.3A Output: USB + DC + Type CSolar Controller:Rated Voltage: 12V/24VRated Current: 100AMaximum Voltage: 50VMaximum Power: 1800W (12V), 3600W (24V) .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 xSolarPanel1 x Controller1 x Car Charger1 x Clip1 x DC Cable2 xHook4 x Suction Cup2 x Manual