... series cold light source miner's lamp adopts the battery with safe polymer as power supply, takes high power LED house and ... so many virtues, such as miniaturization, light weight, safely environmental protection, energy saving, high efficiency, avoid maintenance and long life. ... 05 8Battery Cycle LifeCycle≥800 9WeightKg<1Whole lamp KJ6LM Explosion-proof Rechargeable LED Mining Lamp Underground Mining ...