Milwaukee REDLITHIUM USB Rechargeable 475 Lumen Hard Hat Headlamp (3.0Ah) Kit 2111-21

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REDLITHIUM USB Rechargeable Hard Hat Headlamp (3.0Ah) Kit 2111-21

The Milwaukee REDLITHIUM USB Hard Hat Headlamp offers you high output, secure attachment and is powered by REDLITHIUM USB. The hard hat light delivers professionals 475 lumens of TRUEVIEW High Definition Output and is capable of all-day runtime, more recharges, and 3X faster charging via USB.


  • 5 Light Output Modes for Optimal Brightness and Runtime.
  • Clips and Rubber Grip for Secure Hard Hat Attachment.
  • 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.
  • 3X Faster Charge Time: 2.1A Charge Rate.
  • 7-Position Tilting Light Head for Directing Light.
  • Flood, Spot and Spot/Flood Beam Pattern Options.
  • 475 Lumens of TRUEVIEW High Definition Output.
  • Internally Charges REDLITHIUM USB Batteries through Micro-USB Port.
  • Two Year Warranty on REDLITHIUM USB Battery.
  • 2ft Heavy Duty Micro-USB Braided Cord with Metal Ends Limited Lifetime Warranty on Light.


Power Source Cordless
Spot Flood Mode 475 Lumens / 2 Hours
Spot High Mode 300 Lumens/4 Hours
Flood High Mode 300 Lumens / 4.5 Hours
Flood Medium Mode 150 Lumens / 8.5 Hours
Flood Low Mode 25 Lumens / 31 Hours
Charge Time 50% Charged / 30 minutes | 80% Charged / Under 60 minutes
Warranty Limited Lifetime
IP54 Rated Water and Dust Resistant



(1) REDLITHIUM USB Hard Hat Headlamp

(1) REDLITHIUM USB 3.0Ah Battery

(1) Micro-USB Cable

(4) Universal Hard Hat Clips

More Information
OPT SKU 2111-21
MPN 2111-21
UPC/GTIN 045242511594
Shipping Weight 1.00
Kit / Bare Kit