E1-LED Single Mode LED Assembly (Gen 5), Nichia 519A 5700K #64048-LF

E1-LED Single Mode LED Assembly (Gen 6), Nichia 519A E1-LED High Output Single Mode LED Tower Module (2.7V-4.5V Regulated Input) Generation 6: (Cool White) Updated to Nichia 519A LED, Fully Potted Internals -High Output Nichia 519A LED (Max Output 420 Lumens) -2.7V-4.5V Regulated Input for Maximum Flexibility -Cool White, Cool Colour Temperature (5700K) -Maximum Current Output at 750mA -Direct Thermal Copper MCPCB -Internals Fully Potted -Reverse Polarity Input Protection -Over-Discharge Protection -Precision Machined Aluminum Lamp Assembly -Every Lamp Assembly is Pre-Focused for the Ultimate Spot Compatible with: Surefire E1 Series E2 Series (Using 1 Cell 3.7V Non-Protected Rechargeable Battery) M600B Scout Light (Using 1 Cell 3.7V Non-Protected Rechargeable Battery) ***Do NOT use "Protected" Rechargeable Batteries with this LED module.*** Runtime: 1 x CR123a Primaries: ~1.5 hour 1 x 16340 Rechargeable: ~1 hour (Non-Protected Rechargeable Batteries ONLY) 1 x 16650 Rechargeable on E2 lights : ~2 hours (Non-Protected Rechargeable Batteries ONLY) 1 x 17670 Rechargeable on E2 lights: ~2 hours (Non-Protected Rechargeable Batteries ONLY)