REDLITHIUM™ USB Low-Profile Headlamp

Our REDLITHIUM™ USB Low-Profile Headlamp is thin with a 1 in. light head, wide flood beam, and is powered by REDLITHIUM™ USB and delivers 600-lumens of TRUEVIEW™ High Definition Output. The floodlight headlamp features an ultra-thin light head that provides an unobstructed view with 125° of flood beam coverage. Our rechargeable headlamp is designed with the battery pack in the rear for maximum maneuverability in tight spaces and a balanced design for all-day use. The hardhat headlamp is equipped with a sweat absorbing microfiber strap for comfort on bare heads and four included hard hat clips for secure connections on all hardhats. The Milwaukee headlamp has four light output modes: High, Medium, Low, and Eco for 28+ hours of runtime to maximize light output or extend runtime. The clip-on hard hat light is IP54 rated for water and dust resistance and can withstand up to 2M drops, surviving the toughest conditions on and off the jobsite. The REDLITHIUM™ USB Low-Profile Headlamp is powered by the REDLITHIUM™ USB 3.0AH Battery, providing all-day run-time, more recharges, and 3x faster charge time. The MILWAUKEE® REDLITHIUM™ USB Battery can be recharged in the flashlight via Micro USB or swapped out with additional REDLITHIUM™ USB Batteries for virtually no downtime. The Low-Profile Headlamp is covered by a limited lifetime warranty.


REDLITHIUM™ USB Low-Profile Headlamp (2115-21)
(1) 2FT Heavy Duty USB Cord (1) REDLITHIUM™ USB Rechargeable Pack (4) Universal Hard Hat Clips

LOW-PROFILE Headlamp kit



  • Comfortable for Bare Heads. Compatible with Hard Hats.
  • Sweat Absorbing Microfiber Strap
  • Fits most hard hats & shields


  • 600 Lumens of TRUEVIEW™ High Definition Output


  • IP54 Rated: Water & Dust Resistant
  • 2M (6ft) Drop Rated
  • Corrosion Resistant Body & Lens
all day
charge time
  • 1" Ultra-thin light head for maximum field of vision and minimal obstruction
  • Designed for comfortable bare head use with crown strap and sweat absorbing micro fiber forehead
  • Perfect for use with reversed or forward hard hats with (4) universal hard hat clips
  • 4 light output modes: Flood High mode: 600-Lumens- 2 hours; Medium mode: 350-Lumens- 6 hours; Low mode: 125 -Lumens- 10 hours; Eco mode: 25-Lumens- 27 hours
  • 125° Flood beam illuminates full field of vision
  • Internally Charges REDLITHIUM® USB Batteries through Micro-USB Port
  • 3X Faster Charge Time: 2.1A Charge Rate
  • Get 50% of a Charge in Under 30 Minutes, 80% in Under 1 Hour, and a Full Charge of the REDLITHIUM™ USB Battery in 2 Hours
  • LED Fuel Gauge Allows Fast Checking of REDLITHIUM™ USB Battery Charge
  • Limited Lifetime Warranty on Light Two Year Warranty on REDLITHIUM™ USB Battery
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Product Specifications

Tool Warranty 2 Year Warranty on REDLITHIUM USB 3.0AH Battery|Limited Lifetime Warranty
Power Source Cordless
Length 3.66 in
Weight 0.41 lb
Height 1.42 in
Width 1.22 in