... of solar garden lightsSystem voltage, DC12Pole, the rigid steel pole A, height:2-4M,B, The pole is high-carbon ... is within 20 oC,E, Life span ≥50,000hoursBattery, high Efficiency, Maintenance-free Lead-Acid Battery or Gel battery, ... controller can save >80% power than the regular solar garden lights.C, Working duration without sunshine 5 times longer than regular solar garden light, solar garden ...