1. Úvod
The Fenix LD45R is a high-performance, rechargeable flashlight designed for various applications including outdoor activities, search and rescue, and general utility. It features a maximum output of 2800 lumens, a stepless adjustable focus between spotlight and floodlight, and an OLED display for real-time information. This manual provides detailed instructions for the proper use, maintenance, and care of your Fenix LD45R flashlight.

Obrázek 1.1: The Fenix LD45R flashlight, showcasing its design, included USB-C charging cable, and a battery organizer.
2. Obsah balení
Prosím, ověřte, zda jsou v balení přítomny všechny položky:
- Fenix LD45R Flashlight (with battery pre-installed)
- Nabíjecí kabel USB-C
- Pouzdro
- Šňůrka
- Organizér LumenTac

Obrázek 2.1: The included LumenTac Battery Organizer, useful for storing spare batteries or small accessories.
3. Specifikace
The following table outlines the key technical specifications of the Fenix LD45R flashlight:
| Kategorie | Specifikace |
|---|---|
| Model | LD45R |
| Světelný zdroj | LED |
| Maximální výkon | 2800 XNUMX lumenů |
| Vzdálenost paprsku | Up to 480 meters (Spotlight) |
| Typ zaměření | Stepless Adjustable (Spotlight to Floodlight) |
| Zobrazit | OLED (Brightness, Battery Level, Runtime) |
| Nabíjecí port | USB-C |
| Zdroj napájení | Lithium Ion Battery (included) |
| Materiál | Eloxovaný hliník |
| Rozměry (D x Š x V) | 155.3 × 32 × 44.5 mm (6.11 × 1.26 × 1.75) |
| Hmotnost | 10.72 unce (302 g) |
| Voděodolnost | IP68 (ponorné) |
| Odolnost proti nárazu | 1 metru |
Poznámka: Performance data is based on Fenix laboratory testing using a Fenix ARB-L21-5000 V2 battery under controlled conditions. Actual performance may vary depending on environmental factors and battery usage.

Obrázek 3.1: The Fenix LD45R flashlight in an outdoor environment, highlighting its advanced features.
4. Nastavení
4.1 Instalace baterie
The Fenix LD45R comes with a Lithium Ion battery pre-installed. Before first use, ensure the tail cap is securely tightened to establish electrical contact. If replacing the battery, unscrew the tail cap, insert the new battery with the positive (+) terminal facing the head of the flashlight, and then re-tighten the tail cap.
4.2 Počáteční nabíjení
It is recommended to fully charge the flashlight before its first use to ensure optimal performance and battery life. Refer to Section 6 for detailed charging instructions.
5. Provoz
5.1 Zapnutí/vypnutí
- Zapnout: Long press the main switch for 0.5 seconds.
- Vypnout: Long press the main switch for 0.5 seconds.
5.2 Mode Selection (General Mode)
With the flashlight turned on, single-click the main switch to cycle through the general output modes in the following order: Eco → Low → Medium → High → Turbo.
The flashlight features intelligent memory for Eco, Low, and Medium modes. If the flashlight is turned off in High or Turbo mode, it will resume at Medium mode when turned on again to prevent accidental high output and heat generation.
5.3 Focus Adjustment (Spotlight/Floodlight)
Rotate the toggle switch located on the side of the flashlight to smoothly adjust the beam focus between a concentrated spotlight for long-range illumination and a wide floodlight for broad area coverage. This adjustment is stepless, allowing for precise control over the beam pattern.

Obrázek 5.1: Operational diagram illustrating the electronic switch for power and output selection, and the toggle switch for beam focus adjustment.

Obrázek 5.2: Visual representation of the stepless regulation feature, showing the transition from a focused spotlight to a wide floodlight beam.
5.4 Special Modes (Strobe & SOS)
- Strobe: With the flashlight turned on, long press the main switch for 1.2 seconds to activate Strobe mode.
- SOS: While in Strobe mode, single-click the main switch to switch to SOS mode.
- Exit Special Modes: Single-click the main switch to return to the previously used general output mode.
5.5 OLED displej
The integrated OLED display provides real-time information about the flashlight's status:
- Current Lumen Value: Shows the output level in lumens.
- Current Selected Output: Indicates the active brightness level (e.g., Lv.5 for Turbo).
- Zbývající úroveň nabití baterie: Displays a graphical representation of the battery charge.

Obrázek 5.3: Close-up of the OLED smart display, providing essential operational data at a glance.
6. Nabíjení
The Fenix LD45R features a convenient USB-C charging port for quick and efficient recharging.
- Charging Port Location: The USB-C charging port is located on the neck of the flashlight.
- Proces nabíjení: Connect the supplied USB-C charging cable to the flashlight's port and to a USB power source (e.g., wall adapter, power bank, computer).
- Indikátor nabíjení: The OLED display will show charging progress and battery level.
- Doba nabíjení: A full charge typically takes approximately 3 hours with a compatible fast charger.
- Provoz během nabíjení: The flashlight can be used in Eco and Low brightness modes while charging. Higher output modes may cause battery drain or prevent charging.

Obrázek 6.1: The USB-C charging port on the flashlight's neck, demonstrating the charging connection.
7. Údržba
- Čištění: Tělo svítilny čistěte měkkým hadříkem. Pro optické povrchy použijte hadřík na čištění čoček.
- Mazání: Pravidelně promazávejte O-kroužky silikonovým mazivem, aby byla zachována jejich vodotěsnost.
- Péče o baterie: Store the flashlight with a partially charged battery if not used for extended periods. Recharge every few months to prevent battery degradation.
- Kontaktní místa: Keep the electrical contact points clean to ensure reliable operation.
8. Řešení problémů
If your Fenix LD45R flashlight is not functioning correctly, please refer to the following common issues and solutions:
- Svítilna se nezapne:
- Ujistěte se, že je koncovka zcela utažená.
- Zkontrolujte, zda je baterie správně vložena kladným (+) pólem směrem k hlavě.
- Charge the battery; it may be depleted.
- Clean the battery contact points and the flashlight's contact surfaces.
- Output decreases or flashlight gets hot quickly:
- High output modes (High, Turbo) generate significant heat. The flashlight has a built-in intelligent overheat protection system that will automatically reduce output to prevent damage. This is normal operation.
- Ensure adequate airflow around the flashlight during prolonged high-output use.
- Battery drains rapidly:
- Using the flashlight continuously on High or Turbo modes will consume battery power quickly.
- Před použitím se ujistěte, že je baterie plně nabitá.
- Verify the battery is a genuine Fenix battery or a high-quality equivalent.
- Beam adjustment is not smooth:
- Check for any debris or obstructions around the toggle switch.
- Ensure the flashlight is clean and free from dirt.
9. Záruka a podpora
The Fenix LD45R flashlight is covered by a limited warranty. For specific warranty terms and conditions, please refer to the warranty card included with your product or visit the official Fenix website. For technical support, service, or replacement parts, please contact your authorized Fenix dealer or the Fenix customer service department.
Více informací a kontaktní údaje naleznete na Obchod Fenix na Amazonu.





