In today"s world, harnessing natural green energy is more important than ever. Cyclops Solar Solutions offers a complete line of solar products for just about every need. Use your solar panel as portable power, back-up power, battery charger and a trickle charger. The possibilities are endless! This solar panel is ideal for RV motorhomes, trucks, SUV"s, and electric fences. This monocrystalline panel works best in sunny conditions and has a maximum charge up to Watts/Current: 30W/1.87 AMPS. You can link multiple units together for more output. A solar panel offers a quiet, clean, carbon-free alternative power source for all of your home, travel and recreational needs. Dimensions: 21" x 16.15" x 1" What‘s in the Box: Battery Clamps, Extender Cable and Mounting Hardware. Requires use of 30 amp charge controller protects your 12V battery from being overcharged by the solar panel, sold separately.