Super Black 140W Solar Panel for Off Grid Battery Charging System

It is a monocrystalline 140-watt panel featured by- Black Frame and Black Back Sheet in an elegant panel format that allows the solar system to integrate with a wide range of environments and architectural styles.- Free Z Bracket Mounting Set that is $10 value if you buy separately, including 4 Z brackets and 8 sets of bolts, nuts and washers.- Tempered front glass maximizes impact resistance. The mono cell generates the greatest amount of solar electricity per solar cell.  Corrosion-resistant frames with reinforced joints are more durable and last longer than most roofs.  Its junction box carries MC4 connectors with 32-inch cable.  It's ideal for RV, Boat, etc. 12, 24 or 36 volts off-grid battery charging system.