BioLite HeadLamp 425

Member early access thru 2022
Color:Ocean Teal
Order by 9am PT on Dec. 17 for delivery before Dec. 25. Members get free shipping! Learn More (Opens in a new window)
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Experience top-tier performance with the BioLite HeadLamp 425. With 3D SlimFit Construction and a front profile of only 10 mm, it sits flush on the forehead without any worry of bounce or slippage.

  • Features

    • Moisture-wicking fabric band keeps you cool and dry for any activity, and the rechargeable battery means you can leave the alkalines behind
    • Weighs only 78 g (2.8 oz.)
    • Max output is 425 lumens
    • All modes are dimmable and offer brightness mode memory
    • Rear red light with solid or strobe mode for added visibility
    • Average run time ranges from 60 hours on low to 4 hours on high
    • 1 hour reserve power mode alerts you when power is low
    • Easy one-hand tilting and updated larger power button
    • Lock mode stops light from turning on accidentally in your pack
    • Recharges via USB-C located on back of unit
    • Connect to an external power bank (not included) for extended runtimes via Pass-Thru Charging
    • Fits helmets


    View the BioLite Headlamp Product Line View all BioLite LED Headlamps
  • Technical Specs

    Best Use


    Bulb Type


    Bulb Detail

    Light module: 1 white spot LED, 1 white flood LED, 1 red flood LED; Rear light/battery module: 2 red flood LEDs, 4 white power level indicator LEDs

    Red Light Mode


    Beam Type

    Flood / Spot

    Max Light Output (Lumens)

    425 lumens

    Light Output

    High: 425 lumens; low: 5 lumens

    Max Beam Distance (m)

    85 meters

    Beam Distance

    High: 85 meters; low: 15 meters

    Brightness Levels

    Dimmable from high to low



    Average Run Time

    High: 4 hrs.; low: 60 hrs.

    Regulated Output





    1000 mAh Li-ion


    100 x 78 x 62 millimeters

    Water-Resistance Rating


    Weight With Batteries

    2.8 ounces


    Contains recycled materials

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  • Reviews
    14 reviews with an average rating of 4.5 out of 5 stars

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