... SOLAR PANEL is 25 years BATTERY is 4~5 years POLE is 15 years4.Who we are?We are Guolu, ... 15%Light Source40W, induction lamp, 2500 lumens, 0.3 ~ 1.9 foot-candles on the groundPole26 feet high, made of galvanized steelController24V ... , 150Ah, 200AhBattery PositionUnder ground, at the foot of the pole, on the top of the poleApplicationsStreet LightingPathway LightingRamp LightingSidewalk LightingPrivate ...