1. Product Overview
The Ledlenser P4 AFS is a compact and efficient flashlight designed for inspection tasks. It incorporates the Advanced Focus System, providing a bright and adjustable light beam. Its slim design makes it suitable for accessing confined spaces and detailed examination of technical devices, electrical systems, or motors.

Figure 1: The Ledlenser P4 AFS flashlight. This image displays the black, pen-shaped flashlight with a textured body, a metal clip, and the LED Lenser P4 AFS branding visible on the side. The lens is visible at one end.
2. Setup
2.1. Battery Installation
- Unscrew the tail cap of the flashlight by turning it counter-clockwise.
- Insert the required batteries (typically AAA, refer to specifications for exact type) into the battery compartment, ensuring correct polarity (+/-) as indicated inside the compartment.
- Screw the tail cap back on clockwise until it is securely tightened. Avoid over-tightening.
Note: Always use fresh batteries of the same type and brand for optimal performance. Do not mix old and new batteries or different battery types.
3. Operating Instructions
3.1. Turning On/Off
- To turn the flashlight on, press the button located on the tail cap.
- To turn the flashlight off, press the button again.
3.2. Adjusting Focus (Advanced Focus System)
The Ledlenser P4 AFS features an Advanced Focus System, allowing for seamless transition from a broad floodlight to a sharply focused spot beam.
- To adjust the focus, slide the head of the flashlight forward or backward.
- Sliding the head forward typically narrows the beam to a focused spot.
- Sliding the head backward typically widens the beam to a floodlight.
4. Maintenance
4.1. Cleaning
- Wipe the exterior of the flashlight with a soft, damp cloth.
- Do not use abrasive cleaners or solvents, as these may damage the finish.
- For the lens, use a lens cleaning cloth to avoid scratches.
4.2. Battery Replacement and Storage
- If the flashlight will not be used for an extended period, remove the batteries to prevent leakage and potential damage to the device.
- Store the flashlight in a cool, dry place away from direct sunlight and extreme temperatures.
5. Troubleshooting
- Flashlight does not turn on:
- Check if batteries are inserted correctly with the correct polarity.
- Replace old or depleted batteries with new ones.
- Ensure the tail cap is securely tightened.
- Light is dim or flickers:
- Batteries may be low; replace them.
- Ensure battery contacts are clean and free of corrosion.
6. Specifications
| Feature | Detail |
|---|---|
| Brand | Ledlenser |
| Model | P4 AFS |
| Special Feature | Flashlight, Advanced Focus System |
| Colour | Black |
| Material | Metal |
| Item Weight | 180 g |
| Size | Standard |
| Package Dimensions | 21.4 x 11.6 x 1.7 cm |
| Manufacturer | LED Lenser |
| ASIN | B00AHW1OGK |
7. Warranty and Support
For detailed warranty information, please refer to the documentation included with your product or visit the official Ledlenser website. For further assistance or technical support, please contact Ledlenser customer service.
You can find more information about Ledlenser products on their official store page: Ledlenser Store.
8. Official Product Videos
No official product videos from the seller were available in the provided data for this model.





