What is the maximum light output of this headlamp?

The headlamp delivers a maximum light output of 600 lm.

Which battery is included in the package?

It comes with one 4 V 3 Ah Milwaukee L4 B3 REDLITHIUM USB battery.

What is the maximum runtime on a single charge?

The headlamp offers a maximum runtime of up to 20 hours depending on the selected light mode.

How do you recharge the headlamp?

You can recharge the battery directly via the integrated USB-C port using the included USB cable.

Can this headlamp be mounted on a hard hat?

Yes, it includes 4 mounting clips and a rubber-grip strap for secure attachment to hard hats.

MILWAUKEE L4 HL2-301 head lamp for helmet (1x B3 battery-USB rechargeable) 600 lumens - 4933479963

Name: MILWAUKEE L4 HL2-301 head lamp for helmet (1x B3 battery-USB rechargeable) 600 lumens - 4933479963
Brand: MILWAUKEE
SKU: 08088086
Price: 79.71 EUR
Availability: InStock

Supplier number: MILWAUKEE 4933479963 | EAN 4058546377571

Recommended Retail Price €100.97

79.71 tax incl.

€65.88 excl. VAT (incl. all environmental contributions)

On stock - immediately available

Ordered before 20:00 - delivered tomorrow 07/10/2026
Shipping costs €6.99 VAT included | Free shipping for orders over a total amount of 125 euros
Delivery by DHL

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How does it work?

Buy Milwaukee products with a total order value of at least €250 excl. VAT.
For a total order value of €250 excl. VAT up to but excluding €500 excl. VAT, you receive a FREE Milwaukee 12-piece Tri-Lobe screwdriver set (4932472003) worth €55.90.
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This promotion cannot be combined with the ongoing Milwaukee Cashback Promotion on Milwaukee hand tools. An invoice for which you receive a free Buy More, Get More gift therefore cannot also be submitted for the Milwaukee hand tools cashback promotion.
The promotion is valid from 01.10.2026 to 31.10.2026.
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Focused hands-free illumination with Milwaukee L4 HL2-301

Practical benefits

Powerful 600 lumens output: You illuminate demanding work areas clearly with versatile spot and flood beam modes delivering optimal visibility.
Precise light beam positioning: Direct light exactly where you need it most with the 180° tilting head and easily detachable strap mount.
Secure hard hat mounting: You keep your lighting firmly in place during tough tasks using the four helmet clips and rubberized strap.

In a nutshell

The right choise for

With the Milwaukee L4 HL2-301 headlamp, you keep your hands completely free while maintaining clear visibility on demanding jobsites. Delivering up to 600 lm of light with spot and flood beam options, it provides optimal illumination for electrical, plumbing, or maintenance tasks in dark crawlspaces and ceilings. The 180° tilting light head and detachable mount allow you to direct the beam exactly where needed. Four included hard hat clips and a rubber-grip strap ensure a secure, slip-free fit on your safety helmet. Powered by the included 4V 3 Ah L4 B3 battery, it offers up to 20 hours of runtime and recharges via the supplied usb cable.

Product information Accessories FAQ

€79.71

In stock - tax incl.

Key features according to our expert

Max. light output: 600 lm
Max. usage time: 20 h
Rechargeable: Yes
Batteries included: Yes
Number of batteries included: 1
Capacity (battery): 3 Ah
Battery voltage: 4 V

Supplied as standard

1 x L4 B3 Battery pack
USB cable
Supplied in: Blister packaging

Product description

600 lumens Spot & Flood beam with TRUEVIEW high definition output
Flood, Spot and Spot/ Flood beam options in different output modes for optimal brightness and up to 20 hrs run time
4 mounting clips for securing to helmets and adjustable strap with rubber grip
The light head features 180° tilting motion to help users direct light where it's needed most
Removable strap connector allows for handheld use
IP54 rating, light is protected from dust and falling water
Impact and chemical resistant lens
State of charge allows fast checking of REDLITHIUM USB battery charge
Conveniently charge REDLITHIUM USB battery internally with USB-C cable from USB power source or AC outlet (wall plug not included)
Includes USB cable

All Features

Max. light output: 600 lm
Max. usage time: 20 h
Rechargeable: Yes
Batteries included: Yes
Number of batteries included: 1
Capacity (battery): 3 Ah
Battery voltage: 4 V
Blue light risk group: RG1
Colour classification index: 80
Hybrid mode/spot low/spot high/spread low/spread high (lumens): 600/ 100/ 400/ 100/ 400
Max. operating time with l4 b3 battery (hours): 5/ 20/ 9/ 14/ 9
Voltage (v): 4
Battery type: Li-ion

Brand MILWAUKEE
08088086
EAN 4058546377571
Supplier number MILWAUKEE 4933479963

Accessories

MILWAUKEE L4 B3 REDLITHIUM USB battery 3.0Ah - 4933478311

Recommended Retail Price €45.31

39.06

€32.28 excl. VAT

On stock, immediately available.

Frequently asked questions about this product

Answered by specialists

What is the maximum light output of this headlamp?: The headlamp delivers a maximum light output of 600 lm.
Which battery is included in the package?: It comes with one 4 V 3 Ah Milwaukee L4 B3 REDLITHIUM USB battery.
What is the maximum runtime on a single charge?: The headlamp offers a maximum runtime of up to 20 hours depending on the selected light mode.
How do you recharge the headlamp?: You can recharge the battery directly via the integrated USB-C port using the included USB cable.
Can this headlamp be mounted on a hard hat?: Yes, it includes 4 mounting clips and a rubber-grip strap for secure attachment to hard hats.