solar led lights 1. Solar power 2. LED light source 3.Greatly energy 80% saving 4. Environment protection ComponentsElectricity Performance DataMEMOSolar panelRated power50 WLife span: 20~22 yearsRated voltage17.6V±0.5VRated current3.37AOpen circuit voltage21.6VShort circuit current3.60AWorking tempreture - 40°C ~+85°C Cell efficency17%Solar panel TypeMono-silicon solar panelFrameAluminum ...