3w 6v 145mm&times;145mm DIY Polycrystalline Silicon Solar Panel High-efficiency encapsulated solar panel, providing enough power for DIY Solar panel kit with battery, power small motors or other loads; perfect devices for science project Portable, compact & stylish size with solid attractive casing UV treated surface and durable weatherproof PCB board Package contents: 3W 6V 145mm145mm solar panels(one solar panel only)