You are using a web browser we don't support. Please use the latest version of one of these browsers.

Mozilla Firefox

Google Chrome

Apple Safari

Microsoft IE

Back to top

Princeton Tec Fuel Headlamp


This product is no longer available, but don't go just yet.


  • Fuel headlamp features 4 bright LEDs and continues to offer 3 brightness settings and a strobe function
  • LEDs output a bright 70-lumen beam that reaches up to 39m on high; beam reaches 28m on medium and 20m on low
  • Unique single-arm ratcheting head pivots up and down, providing a wide range of motion so you can aim the beam wherever you need it most
  • 3 AAA alkaline batteries, included, provide up to 50 hrs. of runtime on high, 90 hrs. on medium and 146 hrs. on low
  • Princeton Tec Fuel LED headlamp has a large push-button switch that is easily operated while wearing gloves
  • Switch to the strobe function when battery life is low or you need to signal someone

Made in USA.

View all Princeton Tec LED Headlamps

REI membership


Best Use Camping
Bulb Type LED
Bulb Detail 4 LEDs
Beam Type Flood
Max Light Output (Lumens) 70 lumens
Light Output High: 70 / low: unavailable lumens
Max Beam Distance (m) 39 meters
Beam Distance High: 39 / low: 20 meters
Brightness Levels 3
Strobes 1
Average Run Time High: 50 / low: 146 hours
Rechargeable No
Batteries 3 AAA
Material(s) Unavailable
Dimensions 2.3 x 1.6 x 1.4 inches
Weight With Batteries 2.75 ounces

The REI Difference

100% satisfaction guaranteed

We stand behind everything we sell. If you are not satisfied with your REI purchase, you can return it for a replacement or refund within one year of purchase.

REI's guarantee doesn't cover ordinary wear and tear or damage caused by improper use or accidents.

If your item has a manufacturing defect in its materials or workmanship, you can return it at any time. See our limited warranty.

Gear & advice you can trust

At REI, we live and breathe the outdoors, and we're passionate about sharing our expertise with people of all skill levels. Whether you're new to the outdoors or a seasoned explorer, we'll take the time to understand your needs and help you find the right gear for you.

10% annual member refund

Anyone can shop at REI, but for a one-time $20 fee you can become an REI member and enjoy a lifetime of benefits. These include an annual member refund, typically 10% back on eligible purchases.*



*10% is typical but not guaranteed. Your refund is based on eligible purchases, which exclude REI gift cards, services, fees, REI Adventures trips, REI Garage, and discounted items. Learn more