Introduction
This manual provides essential instructions for the safe and effective use, maintenance, and troubleshooting of your Makita DML816 18V LXT® Lithium-Ion Cordless 18 L.E.D. Flashlight. Please read this manual thoroughly before operating the flashlight and retain it for future reference.

Image: The Makita DML816 18V LXT LED Flashlight, shown in its upright position, highlighting its compact design and LED panel.
Safety Information
Always observe basic safety precautions to reduce the risk of fire, electric shock, and personal injury when using this product. This flashlight is designed for illumination purposes only. Do not use it for any other application.
- Ensure the battery is correctly inserted before use.
- Do not expose the flashlight to rain or wet conditions.
- Avoid directing the light beam directly into eyes.
- Keep the flashlight out of reach of children.
- Only use genuine Makita 18V LXT® Lithium-Ion batteries. Use of non-genuine batteries may cause fire, personal injury, or property damage.

Image: A warning graphic illustrating the dangers of using non-genuine 'knock-off' Makita Lithium-Ion batteries, showing a damaged battery and charger.
Components
The Makita DML816 Flashlight includes the following components:
- Makita DML816 18V LXT® LED Flashlight Unit
- Flashlight Hook Band Set (GM00002331)
Note: Battery and charger are sold separately.
Setup
1. Battery Installation
- Ensure the flashlight is turned off.
- Align the Makita 18V LXT® Lithium-Ion battery with the battery receptacle on the base of the flashlight.
- Slide the battery into the receptacle until it clicks securely into place. Do not force the battery.
- To remove the battery, press the release button on the battery and slide it out.
2. Initial Inspection
Before first use, inspect the flashlight for any visible damage. Ensure the LED panel is clean and free from obstructions. Verify that the head articulation mechanism moves smoothly.
Operating Instructions
1. Powering On/Off
Press the power button located on the handle to turn the flashlight on. Press the button again to cycle through brightness modes and to turn it off.
2. Adjusting Brightness Modes
The DML816 features three brightness modes:
- High: Delivers 500 lumens for maximum illumination.
- Medium: Provides 250 lumens for balanced brightness and runtime.
- Low: Offers 100 lumens for extended runtime or less intense lighting needs.
Cycle through these modes by repeatedly pressing the power button.

Image: The Makita DML816 flashlight demonstrating its three brightness modes: High (500 lumens), Medium (250 lumens), and Low (100 lumens).
3. Adjusting Flashlight Head Angle
The flashlight head can be folded up and down with 7 positive stops, and it rotates left to right. This allows for multiple lighting angles to direct light precisely where needed.
4. Using the Metal Hang Hook
The integrated metal hang hook provides a convenient way to suspend the flashlight, transforming it into an overhead light. This feature is designed for job site durability.

Image: A close-up view of the Makita DML816 flashlight's metal hang hook, located near the base of the adjustable head, designed for convenient suspension.
Maintenance
1. Cleaning
Regularly wipe the flashlight body with a soft, dry cloth. Do not use harsh chemicals or abrasive cleaners. Keep the LED panel clean for optimal light output.
2. Battery Care and Storage
- Always remove the battery from the flashlight when not in use for extended periods.
- Store batteries in a cool, dry place, away from direct sunlight and extreme temperatures.
- Charge batteries using only Makita-approved chargers.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Flashlight does not turn on. | Battery not inserted correctly or discharged. | Ensure battery is fully seated. Charge or replace battery. |
| Light is dim or flickers. | Low battery charge. | Charge the battery. |
| Flashlight head is stiff to adjust. | Dirt or debris in hinge mechanism. | Clean the hinge area. Do not lubricate unless specified by Makita. |
Specifications
| Feature | Detail |
|---|---|
| Model Number | DML816 |
| Power Source | Battery Powered (18V LXT® Lithium-Ion) |
| Light Source Type | LED |
| Brightness (High) | 500 Lumens |
| Brightness (Medium) | 250 Lumens |
| Brightness (Low) | 100 Lumens |
| Product Dimensions | 12"D x 12"W x 12"H (Approximate) |
| Material | Plastic |
| Special Feature | Durable, Water Resistant |
Warranty
The Makita DML816 18V LXT® LED Flashlight comes with a 3-year limited warranty. For detailed information regarding warranty coverage and terms, please refer to the official Makita warranty documentation included with your purchase or visit the Makita website.
Support
For technical assistance, service, or to locate an authorized service center, please contact Makita customer support:
- Phone: (800) 4-MAKITA (800-462-5482)
- Website: Visit the official Makita website for product information and support resources.





