300W 3PCS 100 Watt Mono Solar panel RV Car Marine Home Off-Grid Battery Charging. The item "300W Watt 12V Volt MOno Solar Panel Home Off Grid RV Car Marine Battery Charging" is in sale since Tuesday, September 28, 2021. This item is in the category "Home & Garden\Home Improvement\Electrical Supplies\Alternative Energy Supplies\Solar Power Supplies\Solar Panels & Kits". The seller is "sunyon" and is located in Rowland Heights, California. This item can be shipped to United States.