This NPower Amorphous solar panel is durable, versatile and an ideal way to charge 12V batteries using the power of the sun. Features tempered glass construction with stronger rigid aluminum frame construction and a weather-resistant junction box. In Black. Requires Charge Controller Item #121182 (sold separately). Application: Battery maintaining, Watts: 18, Dimensions L x W x H (in.): 42 1/2 x 16 x 3, Material: Solar cell, metal frame, Panels (qty.): 1, LED Light: No, Battery Type: 12V, Battery Included: No, Includes: Weatherproof, high-quality, easy-to-use MC4 connectors that provide easy linking ability Provides extra secure mounting options