TECHNICAL DATA:12W 15V Poly crystalline solar panelLithium battery 11.1V 6AHLED lamp: 12W, 1200 LumensWorking temperature: -20-+60℃.Charge time: 6 h under full sunshineLighting time: No people working at saving mode 3W(300LM), turn to full bright mode 12W(1200LM) &nbs