Ledlenser ML4

Ledlenser ML4 Outdoor Lantern User Manual

Model: ML4 (502053)

Introduction

This manual provides essential instructions for the safe and efficient operation of your Ledlenser ML4 Outdoor Lantern. The ML4 is an ultra-compact and lightweight area lighting solution, designed for outdoor use, offering up to 300 lumens of illumination and versatile power options. Please read this manual thoroughly before first use and retain it for future reference.

Package Contents

  • Ledlenser ML4 Outdoor Lantern
  • Rechargeable Li-ion 14500 3.7V Battery (pre-installed or separate)
  • Charging Cable
  • User Manual (this document)

Safety Instructions

  • Do not look directly into the light beam.
  • Keep out of reach of children.
  • Do not disassemble the device.
  • Use only specified batteries and charging cables.
  • Avoid extreme temperatures and direct sunlight.
  • This product is rated IP66 for dust and water resistance, but it is not submersible.

Setup

1. Battery Installation / Initial Charge

The Ledlenser ML4 can be powered by its included rechargeable Li-ion battery or a standard AA battery.

  1. Rechargeable Battery: If not already installed, insert the provided Li-ion 14500 battery into the lantern with the correct polarity.
  2. Charging: Connect the proprietary charging cable to the lantern's charging port and to a USB power source. The charging indicator will show charging status. A full charge typically takes 2.5 hours.
  3. AA Battery: To use a standard AA battery, ensure the rechargeable battery is removed. Insert a fresh AA battery with the correct polarity.
Ledlenser ML4 lantern charging next to a smartphone
Image: The Ledlenser ML4 lantern being charged via its port, demonstrating its compact size and power bank capability (charging a phone). This image highlights the charging process and the lantern's versatility.

Operating Instructions

1. Power On/Off and Brightness Modes

The ML4 features a single switch for all functions.

  • To Turn On: Press the power button once. The lantern will typically turn on in its last used mode or a default low setting.
  • To Cycle Brightness: While the lantern is on, press the power button repeatedly to cycle through different brightness levels (e.g., Low, Mid, High).
  • Boost Mode: A quick double-press may activate a temporary "Boost" mode for maximum brightness. Refer to the specific product documentation for exact button sequences.
  • Red Light Mode: Some models offer a red light mode. This is typically accessed by holding the power button for a few seconds or by cycling through modes after the white light options. Red light preserves night vision.
  • Blink Mode: A special blink or strobe mode might be available, often accessed by a specific button sequence (e.g., triple press).
  • To Turn Off: Hold the power button down for approximately 2 seconds.
Ledlenser ML4 lantern displaying various light modes
Image: A graphic illustrating the different light modes available on the Ledlenser ML4: High power, Mid power, Low power, Boost, and Blink. This visually explains the operational settings.

2. Using the Carabiner Clip

The integrated carabiner clip allows for versatile placement of the ML4 lantern.

  • Attach it to backpack loops, tent ceilings, branches, or any suitable anchor point for overhead or area lighting.
  • Ensure the clip is securely fastened before releasing the lantern.
Ledlenser ML4 lantern clipped inside a tent
Image: The Ledlenser ML4 lantern hanging from the ceiling of a tent via its carabiner clip, providing ambient light for a person inside. This demonstrates a practical application of the clip feature.

Maintenance

1. Cleaning

  • Wipe the lantern with a soft, damp cloth.
  • Do not use abrasive cleaners or solvents.
  • Ensure the charging port cover is securely closed to maintain water resistance.

2. Battery Care

  • For optimal battery life, charge the rechargeable battery regularly.
  • If storing the lantern for an extended period, remove the battery.
  • Dispose of old batteries according to local regulations.

Troubleshooting

ProblemPossible CauseSolution
Lantern does not turn on.Battery is depleted or incorrectly installed.Charge the rechargeable battery or replace the AA battery. Ensure correct polarity.
Lantern does not charge.Charging cable not properly connected or faulty. Power source issue.Ensure the charging cable is securely connected to both the lantern and the power source. Try a different USB port or power adapter.
Light output is dim.Battery is low. Lantern is in a low brightness mode.Charge the battery. Cycle through brightness modes to select a higher setting.
Lantern unresponsive.Temporary software glitch.Hold the power button for approximately 10 seconds to perform a reset.

Specifications

FeatureDetail
Model Number502053
BrightnessUp to 300 Lumens (Max)
Battery Type1x Li-ion 14500 3.7V (Rechargeable) or 1x AA Battery
Max Battery Life45 Hours (at 5 lumens)
Recharge Time2.5 Hours
Item Weight71 Grams (approx. 2.5 ounces)
Product Dimensions3.94 x 4.72 x 2.56 inches
Water ResistanceIP66 (Dust tight and protected against powerful water jets)
MaterialMetal, Plastic
UPC847706100081
Ledlenser ML4 Outdoor Lantern with carabiner clip
Image: A clear, front-facing view of the Ledlenser ML4 Outdoor Lantern, showcasing its compact design and integrated carabiner clip. This image provides a visual reference for the product's overall appearance.

Warranty

Ledlenser products are backed by a 7-year guarantee against defects in material or workmanship. If your purchase exhibits such a defect, Ledlenser will, at its discretion, repair or replace the product with one of equal or greater value. This guarantee reflects the company's commitment to craftsmanship and product quality.

For warranty claims, please retain your proof of purchase and contact Ledlenser customer support.

Support

For further assistance, technical support, or to inquire about replacement parts, please visit the official Ledlenser website or contact their customer service department.

Online Resources: www.ledlenser.com

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