Milwaukee RedLithium USB Rechargeable Neck Light, 400Lm

Milwaukee RedLithium USB Rechargeable Neck Light, 400Lm

The 2117-21 Milwaukee REDLITHIUM™ USB Rechargeable Neck Light is a hands-free wearable work light that delivers 400 lumens of TRUEVIEW™ high-definition output for close-up tasks and inspections. With 2 output modes to balance brightness and runtime, it provides over 8 hours of runtime using a REDLITHIUM™ USB 3.0 battery. Dual light heads offer 130° of vertical rotation for full adjustability, and the ergonomic, sweat-resistant band is built for comfort during long wear. Designed for tough environments, it’s IP54 rated, 6 ft impact rated, resistant to most auto shop chemicals, and recharges in about 2 hours, backed by a limited lifetime warranty.

Country of Origin
Varies by production batch

Key Features / Specifications

• Model / Part Number: 2117-21
• Brand / Series: Milwaukee REDLITHIUM™ USB
• Product Type: Rechargeable neck light / wearable work light
• Max Output: 400 lumens (TRUEVIEW™ High Definition Output)
• Modes: 2 output modes
• Runtime: Over 8 hours with REDLITHIUM™ USB 3.0 battery
• Adjustability: 130° vertical rotation for complete light head adjustability
• Comfort: Ergonomic, sweat-resistant band
• Ingress Protection: IP54 (dust and water protection)
• Durability: Impact rated to 6 ft
• Resistance: Resistant to most chemicals found in auto shops
• Charge Time: Charges in ~2 hours
• Power System: REDLITHIUM™ USB with swappable/removable battery
• Warranty: Limited lifetime warranty

Ideal For

• Hands-free lighting for automotive, maintenance, and inspection work
• Users who need adjustable light heads to aim light precisely on close tasks
• Long jobs needing extended runtime (8+ hours)
• Shops/jobsites where chemical resistance, IP54 protection, and drop durability matter
• Workers who want a comfortable, wearable light with USB fast charging