FR4000 Prolutech K-Light LED lamp – 4000 lumens
RECHARGEABLE MULTIFUNCTION LAMP
Surprisingly powerful thanks to its CREE XHP70.2/TIR LED, this lamp offers brightness of up to 4000 lumens. Powered by a 21700 Li-ion battery, it can be recharged with a magnetic USB charger. The FR4000 is ultra-resistant, submersible to 10 meters, and particularly compact and lightweight. What’s more, thanks to its powerful built-in magnet, it can be attached to any magnetic support. It can be adapted to meet all your requirements. This lamp offers a wide range of applications: torch, headlamp, etc
Technical data :
- LED CREE XHP70.2 / TIR
- 10 lighting functions and intensities
- Beam range: 114 meters
- Resistant to shocks and drops from heights of up to 10 meters
- Weight: 79 g (149 g with battery)
- Powerful built-in magnet
- Dimensions : L 121.5 mm D 34.4 mm
- Operating time: up to 64 days (depending on mode used)
- Autonomy : up to 64 days (depending on mode used)
- Turbo2 4000 lm/3h15 min (900lm after 50 sec)
- Turbo1 1300 lm/3h20 min (900lm after 12 min)
- Base3 450 lm/7h
- Base2 150 lm/21h
- Base1 45 lm/64h
- Luciole2 7 lm/10 days
- Luciole1 0,6 lm/64 days
- Strobe3 4000 lm/10 Hz/6h50 min (900 lm after 2 min)
- Strobe2 4000 lm/1Hz/14h (900 lm after 10 min)
- Strobe1 150 lm/1 Hz/90h
- IP68 : usable at depths of up to 10 meters for 2 hours
- Material warranty : 5 years
- Reference : PR41-FR4000
Content included :
- FR4000 K-light
- 21700 Li-Ion battery
- 18650 Li-Ion battery adapter
- Magnetic USB charger
- Headband for headlamp mode
- Nylon case
- Fixing clip
- Two spare O-rings
- User manual in English and French

How to recharge your K-Light FR4000?
IMPORTANT: Unscrew the rear base a quarter-turn. Without this safety feature, your lamp will not charge.
Then connect the magnetic charger: a steady red light comes on = the lamp is charging.
When a steady green light appears: your lamp is recharged.
Don’t forget to screw the base back on before using your lamp.
Optional accessories for even greater convenience:
- Lithium battery 21700 5000mAh
- CASE-XS protective case
- CASE-S protective case
- CASE-M protective case
- MOLLE equipment holder
FR4000 K-Light LED headlamp and flashlight, from Prolutech.
| Type of lamp | LED |
|---|---|
| Quantity of LEDs | 1 |
| LED color | White |
| Max. operating time (h) | 12 |
| Power supply | Lithium |
| Weight (kg) | 0.150 |
| Protection rating | IP68 |
| Rechargeable | Yes |
| Power (lumens) | 4000 |

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