LED lamp : 3x9W, LED chip from Bridgelux of the USA, 90~100lm/w
Solar panel : 70W, Mono crystalline or poly crystalline.
Battery : 12V/75Ah, maintenance free sealed lead or gel battery.
Pole : 3.5m high, hot galvanized steel with plastic spray
Controller : 12V/10A, light and timer control, over charges and discharge protection
Working time : 8-10 hours per day, 3-5 overcast and rainy days