250 Watt Grape Solar Monocrystalline Solar Panel. The item "250 Watt Grape Solar Monocrystalline Solar Panel" is in sale since Wednesday, June 5, 2019. This item is in the category "Home & Garden\Home Improvement\Electrical Supplies\Alternative Energy Supplies\Solar Power Supplies\Solar Panels & Kits". The seller is "tyler_lbi" and is located in Saint Charles, Missouri. This item can't be shipped, the buyer must pick up the item.