Rechargeable headlamp KL 251 AF for worksites
Product code (SKU): 1177300010Rechargeable headlamp KL 251 AF for worksites
Brennenstuhl KL 251 AF is a rechargeable headlamp for worksites. A 250 lm CREE LED, a beam of up to 100 metres and a 40-hour battery life suit dark sites, inspections and installation work.
The USB-C rechargeable battery removes the need for batteries, and a red rear light adds visibility.
Headlamp KL 251 AF by Brennenstuhl is a rechargeable headlamp with a powerful 250 lumen CREE LED. Its beam reaches up to 100 m, and the USB-C battery means no more buying batteries.

Add the product to the quotation basket and send your request – we confirm availability and delivery time at the same time.
Headlamp KL 251 AF – features
- 250 lm CREE LED
- Beam range up to 100 m
- Stepless beam adjustment from near to far light
- 4 light modes: 100 %, 50 %, 10 %, SOS
- Red flashing rear light
- Tiltable lamp head
- Li-Ion battery 3.7 V / 2.6 Ah, USB-C charging, cable included
- Operating time 40 h, charging time 4 h
- IP44, weight 160 g
Headlamp KL 251 AF – adjustable beam
The beam adjusts steplessly. A wide near light suits installation work, whereas a narrow far light suits inspections and long distances.
There are four light modes: 100 %, 50 %, 10 % and SOS. At lower output, the battery lasts longer.
In addition, the lamp head tilts, so you can change the direction of the light as needed.

Battery and charging
The lamp has a 3.7 V / 2.6 Ah Li-Ion battery. It charges through a USB-C port, and the charging cable is included.
The charging time is 4 hours and the operating time 40 hours. However, the actual operating time depends on the light mode.
If you charge the lamp after the shift, it is ready for use again the next morning.

Headlamp KL 251 AF: comfortable for a whole shift
The battery case sits at the back of the head, so the lamp is balanced and light. It weighs only 160 g.
The splash- and dust-proof IP44 design withstands dusty and damp site conditions.
If you prefer a battery-powered option, the LuxPremium headlamp KL 200 F runs on AA batteries.
Visibility and safety
The red flashing LED at the back adds visibility in busy work areas and outdoor work.
Good light in dark spaces also reduces trips and mistakes. You can find other lights in our worksite lighting range.
Headlamp KL 251 AF – technical data
| Light source | CREE LED |
| Luminous flux | 250 lm |
| Beam range | max. 100 m |
| Light modes | 100 %, 50 %, 10 %, SOS |
| Battery | 3.7 V / 2.6 Ah Li-Ion |
| Charging connection | USB-C |
| Charging time | 4 h |
| Operating time | 40 h |
| IP rating | IP44 |
| Weight | 160 g |
| Dimensions (L x W x H) | 11.5 x 6.1 x 8.4 cm |
| Product number | 1177300010 |
Frequently asked questions
How is the headlamp charged?
Through the USB-C port. The charging cable is included, and the charging time is 4 hours.
How long does the battery last?
The operating time is 40 hours, depending on the light mode.
Can the beam be adjusted?
Yes. The beam adjusts steplessly from near light to far light.
What is the product number?
The product number (MPN) is 1177300010. Use it in quotation requests.
Request a quote
Add the product to the quotation basket and send your request. Tell us the quantity you need. We can deliver the headlamps together with your other site equipment.
Technical information
| Luminous flux | 250 lm |
|---|---|
| Light source | CREE-LED |
| Beam distance | 100 m |
| Light modes | 100 %, 50 %, 10 %, SOS |
| Battery | 3,7 V / 2,6 Ah Li-Ion |
| Charging connection | USB-C |
| Charging time | 4 h |
| Operating time | 40 h |
| Enclosure class | IP44 |
| Measurements L x W x H [mm] | 115 x 61 x 84 |
| Weight | 160 g |