1. Inleiding
Bedankt voor uw aankoopasing the Sofirn SC18 Rechargeable Flashlight. This compact and powerful EDC (Everyday Carry) flashlight is designed for various applications, offering high brightness, convenient USB-C charging, and durable construction. Please read this manual carefully before use to ensure proper operation and maintenance.
2. Veiligheidsinformatie
- Oogveiligheid: Do not shine the flashlight directly into eyes or at other people. The high lumen output can cause temporary vision impairment.
- Kinderen: Keep out of reach of children to prevent accidental activation or misuse.
- Warmte: The flashlight head may become hot during prolonged use at high brightness levels. Exercise caution to avoid burns.
- Batterijveiligheid: Use only the recommended rechargeable battery. Do not disassemble, crush, or expose the battery to extreme temperatures or fire.
- demontage: Demonteer de kop van de zaklamp niet. Dit kan de lamp beschadigen en de garantie ongeldig maken.
3. Inhoud van het pakket
Controleer of alle artikelen in uw pakket aanwezig zijn:
- Sofirn SC18 zaklamp
- Oplaadbare batterij (vooraf geïnstalleerd of apart)
- USB-C-oplaadkabel
- Draagkoord
- Gebruiksaanwijzing

Image: The Sofirn SC18 flashlight shown with its included accessories, typically a USB-C cable, lanyard, and battery.
4. Instellen
4.1 Batterij installatie
The Sofirn SC18 typically comes with the battery pre-installed. If not, unscrew the tail cap, insert the 18650 rechargeable battery with the positive (+) end facing towards the head of the flashlight, and then screw the tail cap back on tightly.
4.2 Eerste keer opladen
Before first use, fully charge the flashlight. The SC18 features a built-in USB-C charging port.
- Locate the rubber cover on the side of the flashlight head.
- Gently pull open the rubber cover to expose the USB-C port.
- Connect the provided USB-C cable to the flashlight and plug the other end into a USB power source (e.g., phone charger, power bank, computer USB port).
- Het indicatielampje op de zijschakelaar geeft de laadstatus weer:
- Rood: Opladen
- Groente: Volledig opgeladen
- Once charging is complete, disconnect the cable and firmly close the rubber cover to maintain water resistance.

Image: The Sofirn SC18 flashlight with its USB-C port exposed and connected to a charging cable, illustrating the charging process and battery indicator.
5. Gebruiksaanwijzing
The Sofirn SC18 uses a single side switch for all operations.
5.1 Basisbediening
- Aan/uitzetten: Met één klik op de zijschakelaar kunt u het licht aan- of uitschakelen.
- Helderheidsmodi wijzigen: While the light is on, press and hold the side switch to cycle through Moon, Low, Medium, and High modes. Release the switch to select the desired mode. The flashlight has a Smart Memory function and will turn on at the last used brightness level (except Turbo and Strobe).

Image: A person holding the Sofirn SC18 flashlight, illuminating a dark path with its powerful 1800 lumen beam, demonstrating its effective beam distance.
5.2 Speciale modi
- Maanlichtmodus: From OFF, press and hold the side switch for 1 second to activate Moonlight mode.
- Turbo-modus: Dubbelklik op de zijschakelaar vanuit elke stand (AAN of UIT) om de turbomodus te activeren. Dubbelklik nogmaals om terug te keren naar de vorige modus.
- Stroboscoopmodus: Triple-click the side switch from any state (ON or OFF) to activate Strobe mode. Single click to turn off or double-click to return to the previously used mode.
5.3 Vergrendelingsfunctie
The lockout function prevents accidental activation, which is useful when carrying the flashlight in a pocket or bag.
- Vergrendeling activeren: From OFF, quadruple-click the side switch. The main LED will flash twice to indicate lockout is active.
- Deactiveer vergrendeling: Quadruple-click the side switch again. The main LED will flash twice, and the flashlight will turn on in Moonlight mode, indicating lockout is deactivated.

Image: An illustration of the Sofirn SC18 flashlight with a protective shield graphic, demonstrating the safety lock mode feature to prevent accidental activation.
6. Onderhoud
6.1 Reinigen
Reinig de behuizing van de zaklamp met een zachte, droge doek.amp cloth. Do not use abrasive cleaners or solvents. Keep the threads and O-rings clean and lubricated with silicone grease to ensure smooth operation and water resistance.
6.2 Waterbestendigheid
The Sofirn SC18 is rated IP68 waterproof, meaning it is protected against dust ingress and can withstand immersion in water up to 2 meters for 30 minutes. Ensure the USB-C port cover is fully sealed before exposing the flashlight to water.

Image: The Sofirn SC18 flashlight shown in two scenarios: one being splashed with water and another on wet rocks, highlighting its IP68 waterproof and drop-resistant design.
6.3 Batterijonderhoud
To prolong battery life, charge the battery regularly and avoid fully discharging it. If the flashlight will not be used for an extended period, remove the battery or activate the lockout function to prevent parasitic drain.
7. Probleemoplossing
| Probleem | Mogelijke oorzaak | Oplossing |
|---|---|---|
| Zaklamp gaat niet aan. | Batterij is leeg of verkeerd geplaatst. De zaklamp is vergrendeld. | Charge the battery or reinsert it with the correct polarity. Deactivate lockout mode (quadruple-click). |
| Het licht knippert of gaat onverwachts uit. | Batterij bijna leeg. Loose tail cap or head. Vuile contacten. | Laad de batterij op. Tighten the tail cap and head. Reinig de contactpunten en schroefdraad van de accu. |
| Cannot charge the flashlight. | USB-C cable or power source issue. Obstructie van de laadpoort. | Probeer een andere USB-C-kabel of stroomadapter. Controleer de oplaadpoort op vuil. |
8. Specificaties
| Functie | Detail |
|---|---|
| Model | SC18 |
| Lichtbron | LED |
| Maximale uitvoer | 1800 Lumen |
| Maximale straalafstand | 217 meter (712 voet) |
| Energiebron | 1x 18650 Lithium-Ion Battery (included) |
| Opladen | USB-C oplaadbaar |
| Waterbestendigheid | IP68 (onderdompelbaar tot 2 meter) |
| Valweerstand | 1 meter |
| Materiaal | Aluminiumlegering |
| Afmetingen (L x D) | Approx. 10.14 cm x 2.46 cm (3.99" x 0.97") |
| Gewicht | Approx. 55g (1.94oz) without battery |

Image: The Sofirn SC18 flashlight displayed next to a smartphone, illustrating its compact size and dimensions (3.99 inches long, 0.97 inches diameter).
Brightness and Runtime Table
| Modus | Uitgang (lumen) | Looptijd | Straalafstand |
|---|---|---|---|
| Maanlicht | 3lm | 230 uur | 11m |
| Laag | 100lm | 23 uur | 51m |
| Medium | 350lm | 6.3 uur | 97m |
| Hoog | 800lm | 2.6 uur | 150m |
| Turbo | 1800lm | 2.3 uur | 217m |
| Stroboscoop | 1800lm | 5h | - |
Note: Runtimes are approximate and may vary based on environmental conditions and battery age.
9. Garantie en ondersteuning
The Sofirn SC18 Rechargeable Flashlight comes with a 1 jaar fabrieksgarantie from the date of purchase, covering defects in materials and workmanship. This warranty does not cover damage caused by misuse, unauthorized modifications, or normal wear and tear.
For warranty claims, technical support, or any questions regarding your product, please contact Sofirn customer service through the retailer where you purchased the product or visit the official Sofirn webwebsite voor contactgegevens.
Online bronnen:
10. Productvideo's
Sofirn SC18 Product Overview
Video: An official product video from Sofirn showcasing the features and functionality of the SC18 flashlight, including its design, charging, and various light modes.