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  • Luminocity
    300 lm
    5 lm
  • Battery
    2.2 h
    40 h
  • Luminocity
    300 lm
    5 lm
  • Battery
    2.2 h
    40 h

Ledlenser ML4 Warm

3 reviews

Ultra-compact, warm white lighting.

At less than 4 inches in height and only 2.5 ounces in weight, the ML4 Warm is ultra-compact, allowing you to take high-power lighting anywhere you go. Thanks to our latest micro-prism technology, the ML4 Warm provides efficient, glare-free soft, warm white light distribution up to 300 lumens. It's powered by an included rechargeable battery, but can be used with a standard AA alkaline battery when a power source isn't available. The carabiner snap hook provides flexible usage and attachment options.
Regular price $49.95

or 4 installments of $12.49 USD by   More info

Special Information

  1. Light Functions

    • Power - high light output for every situation
    • Mid Power - medium light output for every situation
    • Low Power - economical light for long battery life, glare-free reading and working
    • Boost - short-duration maximum power for more brightness
    • Blink - automatic emission of light impulses at regular intervals
  2. Switches

    • Front Switch - a switch on the front of the lantern
  3. Special functions

    • Dual power technology - offers extended usage time thanks to AA batteries to back up the included rechargeable battery
    • Optional red light - for enhanced maintenance of night vision
    • Carabiner snap hook - for flexible usage and fastening
  4. IP-Class

    • IP66 - Dust-proof and protected against powerful water jets
  5. Energy Management

    • Low Battery Warning - it warns you when the battery is low
    • Battery Indicator - it shows the current level of the battery
    • Charge Indicator - it shows the current charge status of the battery
  6. Rechargeable

    Did you know that conventional, disposable batteries can require up to 500 times more electricity to produce than they can release? By opting for rechargeable batteries, not only are you saving money in the long-run by reusing the same batteries, but you’re no longer throwing disposables away, which is a plus for Mother Earth.

Technical Details

Ledlenser ML4 Warm


  • LED Configuration 9 x Power LED
  • Luminosity1 MAX 300 lm - MIN 5 lm
  • Battery Duration1 MAX 40 h - MIN 2.2 h

Battery and Casing

  • Battery 1x Li-ion 3.7V
  • Battery Capacity2 2.77 Wh
  • Water Resistance IP66
  • Rechargeable Yes

Height and Weight

  • Length (defocused) 97 mm
  • Head Diameter 34.5 mm
  • Weight 71 g

Product Contents

Ledlenser ML4 Warm

In the box:

  • 1 set of rechargeable batteries
  • Magnetic charging cable
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Customer Reviews
5.0 Based on 3 Reviews
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Thomas A.
United States United States
Pretty Nifty

Compact and light. The medium setting provides enough light to read comfortably by inside a tent. That said, bringing along an extra AA battery is a good idea when backpacking. Not sure that the proprietary magnetic charging cable is a great idea, as it creates one more cable to bring along. (Also, I found that the terminals need to be cleaned regularly in order for the cable to work.) Still, a useful little light for a three-to-five night trip.

Jonathan G.
United States United States
Fantastic Product!

High quality. Worth the asking price. Amazing product. Brighter than anticipated!

Angelo S.
United States United States
ML4 Warm

What an incredible little but effective lighting source. I used it camping nd low light was perfect for prepping for sleep whereas a bit earlier in the night, a higher intensity light was perfect for finding an item in my tent. The size and weight were optimal. I used an old medication bottle for packing to keep it from getting "bruised" in my pack and scratched up. I showed it to my camping friends and they were really impresssed with this small, quality light source.