KOMAES 10 Watt 12 Volt Polycrystalline Photovoltaic PV Solar Panel 10W Solar Charger for 12V Battery Charging The Polycrystalline PV panel with a high efficient module conversion providing 10w power. Widely applied to off-grid 12 Voltage system of caravan, RV, car, boat, green house, marine, dry camping, garden watering etc. Long service time: Withstand snow load(up to 5400pa) and high wind(2400pa). High-resistant aluminum, provide long service time up to 25 years. Easy installation and Carry: Pre-drilled holes on aluminum frame make fast mounting and securing and the PV panel diodes are pre-installed in junction box. A single panel for you to easy carrying. 100% money back guarantee for any dissatisfaction. California USA customer service support. 5 years workshop warranty and 20 years output warranty.