Renogy Solar Panel Starter Kit 400W Mono:4pc 100W Solar Panel UL Listed+ 2 Pc 20′ Solar cables+PWM 30A Charge Controller+4 Z Brackets+Mc4 adaptor kit+3pc MC4 Branch Connectors

Electrical Specifications Optimum Operating Voltage (Vmp): 18.9V Optimum Operating Current (Imp): 5.29 A Open – Circuit Voltage (Voc): 22.5 V Short- Circuit Current (Isc): 5.75 A Maximum Power at STC: 100 W Operating Module Temperature: -40°C to + 90°C Maximum System Voltage: 600 V DC (UL) / 1000 V DC Continue Reading