Cree Universal Polarity LED 5W MES E10 Screw Bulb for 6.0V PETZL 4-Cell Headlamp

Cree Universal Polarity LED 5-Watt MES E10 Screw Bulb for 6.0V PETZL 4-Cell Headlamp.                                             LED Replacement Upgrade for Incandescent bulb in Flashlights and Work Lights) for superior brightness, efficiency, and longevity. This is a custom LED. There aren’t many LEDs with this universal (+) or (-) capability. LED Flashlight Lamp PR Bulb also for 4-C,  4-D, 4-AA Cell Flashlights  for 2 to 6-Cells Note: This regulating current driver is the best, being able to operate from ½ the rated voltage and still having near-constant good brightness to get the most out of the batteries ** This Universal Polarity 5.0 Watt Cree LED is 360 Lumen (6.0V) Lamp ** Very Bright from 4.5 to 6.0, 9.0 Volt Universal Polarity Positive (+ or -) on Bottom contact or flange! (No need to reverse the batteries to get the correct polarity)  For Reversed Polarity (-) PETZL's  ·        Bright 5w, 360 Lumen 6.0V, 350 lumen 4.5V Brightness·        Focusability of the flas