ACOPOWER 15Watt 15W Polycrystalline Photovoltaic PV Solar Panel Module 12v Battery Charging High Modules Conversion Efficiency 15W Poly Solar Panel Provides Up to 15W Power. If There Is Any Quality Problems, Please Contact us. Basic Component for Off-Grid Solar Panel 12/24V/36/48V System, Caravan, RVS, Cars, Boats, Green House Solar Systems. Withstand high wind (2400Pa) and snow loads (5400Pa); Lightweight Anodized Aluminum Frame and Reinforced Safety and anti-Reflection Coated Glass 3.2mm Thickand Waterproof IP-65 Rated Junction Box which Allows The Panels Last for a Long Time. Basic Component for Resident Off-Grid System Widely Used on Marine, Dry Camp, Garden Watering and other Off-Grid Applications. 5 years workshop warranty and 20 years output warranty