HQST 50 Watt 12 Volt Monocrystalline Solar Panel for RV/Boat/Other Off Grid Applications(50W Compact Design) High module conversion efficiency. Bypass diodes minimize power drop caused by shade and ensure excellent performance in low-light environments. Monocrystalline panels come with high-efficiency solar cells that help increase space efficiency.,easy Installation Pre-drilled holes on the back of the panel allow for fast mounting and securing. Compatible with different mounting systems such as Z-brackets, Pole Mounts, and Tilt Mounts.