High power LED head lamp is a kind of headlamp which selects high bright LED as light source. Compared with traditional source, LED has many advantages such as energy efficient, maintenance, long lifetime, friendly environment and high shock vibration resistant, etc. High power LED head lamp is composed of aluminum housing, palstic battery box and nylon elastic headband with high illuminated efficency. It has an intelligent design avoiding over-charging, over-discharging and short current. Besides, adopting toughened glass as lens makes this headlamp bright beam, scratch-proof and explosion-proof. The beam and elastic head strap of High power LED head lamp is adjustable. In general, it allows multifunctional brightness operation including max brightness mode, mid brightness mode (adjustable mode), blinking modes and low voltage warning mode. Futhermore, this head lamp is more comfortable and environmental protection without glare, stroboscopic, UV or IR light radiation and noise. It is suitable for indoor like home maintenance and outdoor activities like camping, fishing, hiking, map reading, night fishing, night flying, sailing, caving, hunting and more applications.