The Nitecore EA41 and EA41W Flashlights(Upgraded from EA4) - The Best 4xAA format light out there. Its designed for general purpose usage and runs on four AA Alkaline or Rechargeable Ni-MH batteries. The Throw on this flashlight is quite good for the flashlight size and performs very good on the outdoors. If you prefer a AA Flashlight, this is one of the most reliable flashlight over the years. Order your Personalized EA41 Flashlight today at Lightorati.