1. Introduction
This manual provides comprehensive instructions for the safe and efficient use of your Ledlenser MH8 Rechargeable LED Head Torch. The MH8 is designed for outdoor activities, offering high flexibility with its removable lamp head, multiple light modes, and dual power source options. Please read this manual thoroughly before operating the device.
2. Package Contents
Verify that all items listed below are present in your package:
- Ledlenser MH8 Head Torch
- 1 x Lithium-ion Battery Pack (3.7V, 1550 mAh)
- Magnetic Charging Cable
- User Manual (this document)
3. Product Overview
The Ledlenser MH8 is a versatile headlamp featuring a powerful LED, multiple light functions, and a dual power source system. Its innovative design allows the lamp head to be detached and used as a handheld light.

Figure 3.1: The Ledlenser MH8 Head Torch, showing the main lamp unit and adjustable head strap. This image illustrates the overall design and how the headlamp is worn.
Key Features:
- Removable Lamp Head: For use as a headlamp or handheld light.
- Advanced Focus System: Seamless transition between flood and spot lighting.
- Dual Power Source: Compatible with rechargeable Li-ion battery pack or AA batteries.
- Magnetic Charge System: Easy and secure charging.
- Multi-color LEDs: Red, green, and blue light options for specialized use.
- Water Resistance: IP54 rated for protection against dust and splashing water.
4. Setup
4.1 Battery Insertion
The MH8 can operate with either the included rechargeable Lithium-ion battery pack or two AA batteries.
- To access the battery compartment, gently twist and pull the rear cap of the lamp head.
- Insert the rechargeable Lithium-ion battery pack with the positive (+) terminal facing inwards, or insert two AA batteries according to the polarity indicators.
- Securely reattach the rear cap by aligning and twisting until it clicks into place.

Figure 4.1: Close-up view of the MH8 lamp head, indicating the area for battery access. The image highlights the design of the lamp head where the battery is inserted.
4.2 Charging the Lithium-ion Battery
Use the provided magnetic charging cable to recharge the Lithium-ion battery pack.
- Connect the magnetic end of the charging cable to the charging port on the lamp head. The magnetic connection will secure it in place.
- Connect the USB end of the cable to a suitable USB power source (e.g., computer, USB wall adapter).
- The battery status indicator will show the charging progress. A full charge typically takes several hours.
- Disconnect the cable once charging is complete.
Note: Only the Lithium-ion battery pack is rechargeable. Do not attempt to charge AA batteries within the device.
5. Operation
5.1 Powering On/Off and Light Modes
The MH8 features multiple light modes accessible via the main power button.
- Power On/Off: Press the main button once to turn the headlamp on. Press and hold to turn it off.
- Cycle Modes: While the headlamp is on, press the button repeatedly to cycle through the main light modes:
- Power: Maximum brightness (600 lumens).
- Mid Power: Balanced brightness for general use.
- Low Power: Extended runtime (20 lumens, up to 40 hours).
- Blink: Flashing light for signaling.
- Boost Mode: A temporary burst of maximum brightness. Activate by double-pressing the main button.
- Energy Modes: The MH8 offers two energy modes:
- Constant Light Mode: Provides consistent light output until the battery is depleted.
- Energy Saving Mode: Light output gradually decreases to extend battery life.
5.2 Advanced Focus System
Adjust the light beam from a wide floodlight to a focused spot beam by sliding the lamp head forward or backward. This allows for precise illumination depending on your activity.
5.3 Multi-color LEDs
The MH8 includes red, green, and blue LEDs for specific applications.
- Red Light: Preserves night vision, ideal for map reading or discreet use.
- Green Light: Useful for observing wildlife as many animals are less sensitive to green light.
- Blue Light: Can be used for tracking or identifying certain fluids.
To activate the multi-color LEDs, typically press and hold the main button for a longer duration or use a specific button sequence (refer to the full manual for exact instructions).
5.4 Removable Lamp Head
The lamp head can be easily detached from the head strap for use as a compact handheld light. Simply slide the lamp head out of its mounting bracket. To reattach, align the lamp head with the bracket and slide it back until it securely locks.

Figure 5.1: Rear view of the Ledlenser MH8 headlamp, illustrating the strap attachment points and the mechanism for detaching the lamp head.
6. Maintenance
- Cleaning: Wipe the headlamp with a soft, damp cloth. Do not use abrasive cleaners or solvents.
- Battery Care: If storing for extended periods, remove AA batteries. For the Li-ion battery, charge it periodically (every 3-6 months) to maintain its lifespan.
- Storage: Store the headlamp in a cool, dry place away from direct sunlight and extreme temperatures.
- Water Resistance: Ensure all caps and covers are securely closed to maintain IP54 water resistance.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Headlamp does not turn on. | Battery is depleted or incorrectly inserted. | Charge the Li-ion battery or replace AA batteries. Ensure batteries are inserted with correct polarity. |
| Light output is dim. | Low battery level. | Recharge or replace batteries. |
| Magnetic charging cable does not connect. | Debris on charging port or cable. | Clean the charging contacts on both the headlamp and the cable. |
| Lamp head is loose. | Not securely attached to the bracket. | Ensure the lamp head is fully slid into the mounting bracket until it locks. |
8. Specifications
| Feature | Detail |
|---|---|
| Model | MH8 |
| Luminosity (Max) | 600 lumens |
| Luminosity (Min) | 20 lumens |
| Lighting Range (Max) | 200m (656 ft) |
| Battery Duration (Max) | 40 hours |
| Battery Duration (Min) | 7 hours |
| Battery Type | 1 x Li-ion battery Pack, 3.7V, 1550 mAh (rechargeable) or AA batteries |
| Water Resistance | IP54 |
| Head Diameter | 31 mm (1.22 in) |
| Weight | 139 g (4.90 oz) |
| Material | Plastic |
| Special Features | Adjustable Light Modes, Rechargeable, Multi-color LEDs |

Figure 8.1: The Ledlenser MH8 headlamp held in a hand, illustrating its compact size. This image provides a visual reference for the product's dimensions.
9. Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the official Ledlenser website or contact their customer service department. Keep your proof of purchase for warranty claims.





