Solar Street Lamp

Function:It will be charge at sunny day and work at night. It will also be worked for 7 - 10days in the rainy day or cloudy day continuously. (The light time is about 12 hourseach night).Specifications:1) Without electricity power supply2) Without wire3) Good performance, low cost, long life time4) Switch control automatically Data:1) Solar panel: 60W, 40W, 50W  2) Storage battery: 40A / 12V (>12W), 65A / 12V (>60W)3) LED brightness4) Luminous flux: 860Lm (40W); 1220Lm (50W); 1,500Lm (60W)5) Lamp header casing with with AL / cast-iron galvanization 6) Lamp stands with steel pipe cast-iron galvanization7) Storage battery with rain proof casing and be set up underground8) Height: 3.5mTechniques: 1) Controller with over charge, over discharge, over pressure protection with        microcomputer2) Life time: 20 years3) The solar panel sealed with steel glass4) Life time for storage battery: 5 years5) Environment: 280 days, for sunny day6) Temperature: -50