LED lamp : 4x9W, LED chip from Bridgelux of the USA, 90~100lm/w

Solar panel : 90W, Mono crystalline or poly crystalline.

Battery : 12V/100Ah, 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 : 8-10hours per day, 3-5 overcast and rainy days