?Solar energy is one of the latest developing energy we are promoting. Today we would like to recommend this high-efficient solar panel to you. It adopts high quality and advanced technology， providing you stability and reliability and a long lifespan. Even in high temperature or low irradiance conditions， this solar panel can also function well. Featured with high transmittance and high conversion rate tempered glass， it is anti-aging and reliable. This solar panel is perfect enough to give you a satisfying performance!                                    Features             High cell efficiency with quality silicon materials for long term output stability and reliability<br> Strict quality control ensures the stability and reliability<br> Excellent performance in harsh weather<br> Outstanding electrical performance under high temperature and low irradiance conditions <br> High transmittance and low iron tempered glass with enhanced stiffness and impact resistance<br>                                                            Specifications              Electrical Specifications        <br> Maximum Power     50W    <br> Production Tolerance     ÷3%     <br> Maximum Power Voltage(Vmp)     17.3V    <br> Maximum Power Current (Imp)     2.89A    <br> Open Circuit Voltage (Voc)     21.8V　    <br> Short Circuit Current (Isc)     3.18A    <br> Maximum System Voltage     1000 V    <br> Solar Cell Efficiency     ◎17.5%    <br> Standard Test Condition     AM=1.5 E=1000W/M2 Tc=25▲C    <br> Operating Temperature Range     - 40→∥+88→  Mechanical Specifications:    <br> Cell Type     Monocrystalline    <br> Cell Dimensions     (4.92 x 2.46)" / (125 x 62.5) mm    <br> Front Glass     3.2mm Tempered    <br> Connecter Type     MC4    <br> Cable Length     90cm    <br> Cable Cross Section     5mm2    <br> Frame Material     Aluminium     <br> Insulation Material     PPO    <br> Junction Box Type     PV-DLC605    <br> Diodes Details     1 PCS    <br> Dimensions     (24.80 x 21.26 x 1.18)"/ (63 x 54 x 3)cm (L x W x D)    <br> Weight     156.97 oz / 4450 g     <br>                                                             Package Includes            1 x 50W 17V Monocrystalline Solar Panel Module with MC4 Connector<br>