iSEO3 Headlamp

iSEO3 Headlamp


Lightweight and affordable headlamps with the battery pack at the front. The iSEO headlamps only weigh 105 grams, yet they produce an impressive amount of light.

Available accessories: SEO Battery Pack, SEO Helmet Kit and Ledlenser Silicone Headband Type A.

Comes with:

  • neoprene pouch with belt loop
  • carabiner
  • 2 helmet clips
  • washable headband
  • 3 x AAA batteries

Brightness (High)

100 lumens

Brightness (Low)

15 lumens

Beam Range (High)


Beam Range (Low)


Burn Time (High)

10 hours

Burn Time (Low)

40 hours

Water resistance





3 x AAA Alkaline (included)

SLT Light Functions

High Power, Low Power, Signal

  • Smart Light Technology (SLT)
    3 light functions (high, low, signal)
  • Advanced Focus System
    Allows easy changing between broad floodlight and focused long distance beam
  • Tiltable lamp head
    Put the light where you need it
  • Transport lock
    Prevents the light from being switched on by accident – great in a pack
  • In-built red LED
  • Detachable, washable headband
    Made from high quality material that absorbs sweat, is comfortable to wear and soft against your skin
  • Convert to rechargeable with SEO rechargeable battery
  • Waterproof to IPX6 standard
    Withstands heavy splashing and rain


Ledlenser lights are covered by an industry-leading 5-year standard warranty, which can be extended to 7 years by registering the product. This warranty does not cover abuse, alteration, theft, loss, or unauthorised and/or unreasonable use of your Ledlenser product. This warranty does not cover sheaths, accessories, imprinting, or colour finishes.