Feature:1. Bill Free Solar Panel Kit --- Monocrystalline solar panel and environmental PET film, safe to use with long service life. Environmental conservation solar energy, bill-free and user-friendly.2. Portable Design --- Small in size and light to take, it is easy to carry for camping or other outdoor activities. Easy to install with pre-drilled holes on the back of panels for fast mounting and securing.3. Plug and Play --- Built USB port in the solar panel, come with 4 kinds charing cable, fit most kinds of device, plug and play, avoide out unexpected off power.4. Waterproof --- Advanced water and dust proof level, complete conservation against environmental particles and low pressure water jets.5. Wide Application --- Widely applied to off grid 5/12 Volt battery charging system and a variety of DC applications, including caravan, RV, car, boat, green house, marine, dry camping, garden watering, shed, cabin, gate opener, etc.Specification:The 18W Solar Power Starter Kit charge with DC 5V/12V output and IP65 water resistance. The Starter Kit is great for off-grid applications, such as RVs, trailers, boats, sheds, and cabins. With a controller to control the batterys voltage and turn on the circuit. Adding a polycrystalline or monocrystalline solar panel kit can extend your travels further than ever before.Features:Bill Free Solar Panel Kit --- Monocrystalline solar panel and environmental PET film, safe to use with long service life. Environmental conservation solar energy, bill-free and user-friendly.Portable Design --- Small in size and light to take, it is easy to carry for camping or other outdoor activities. Easy to install with pre-drilled holes on the back of panels for fast mounting and securing.Plug and Play --- Built USB port in the solar panel, come with 4 kinds charing cable, fit most kinds of device, plug and play, avoide out unexpected off power.Waterproof --- Advanced water and dust proof level, complete conservation against environmental particles and low pressure water jets.Wide Application --- Widely applied to off grid 5/12 Volt battery charging system and a variety of DC applications, including caravan, RV, car, boat, green house, marine, dry camping, garden watering, shed, cabin, gate opener, etc.Note: Due to different production batches, the lines on the solar panels are different, but the functions are the same.Specifications:Types: 3 types (optional) type 1: 18W solar panel single USB port+ controller type 2: 18W solar panel single USB port type 3: 18W solar panel Dual USB portMaterial: PETColor: black & whitePanel: monocrystalline solar panelPowers: 18W (max.)DC Output: 12VUSB Output: 5VTransformation efficiency: 20%Proof rate: IP65Item weight: 452g / 15.9 ozPanel size: 420 * 280mm / 16.54 * 11.02inControllerMaterial: ABSColor: black & bluevoltage: 12V/24V/48V (auto)Charging Current: 10-100AOutput Current: 10-100AMax Solar input: 50VFloating charge voltage: 13.7V (defaul, adjustable)Discharge stop voltage: 10.7V (defaul, adjustable)Discharge reconnect voltage: 12.6V (defaul, adjustable)USB output: 5V USB portsOperating temperature: -35 to 60Item weight: 128g / 4.52ozItem size: 133 * 70 * 31mm / 5.5 * 2.76 * 1.22inPackage Infor.Package with contoller weight: 648g / 22.9ozPackage without contoller weight: 530g / 18.7ozPackage size: 440 * 295 * 40mm / 17.3 * 11.6 * 1.6inPackage List:1 * Solar Panel1 * Car Charge Cable1 * Cable with Clip1 * DC Charging Cable1 * DC Charging Cable AdapterPackage List:1 * Solar Panel1 * Car Charge Cable1 * Cable with Clip1 * DC Charging Cable1 * DC Charging Cable Adapter