1. Introducción
This manual provides detailed instructions for the safe and effective use of your Alonefire SV118 80W 365nm UV LED Flashlight. Please read this manual thoroughly before operation and retain it for future reference.

Image: The Alonefire SV118 UV LED Flashlight, showcasing its design and accompanying accessories like the USB-C cable and UV protection glasses.
2. Contenido del paquete
Al abrir el paquete, verifique que estén incluidos todos los siguientes elementos:
- Alonefire SV118 UV LED Flashlight
- 4 x BRC18650 2000mAh 3.7V Rechargeable Lithium-ion Batteries
- Cable de carga 1 x USB-C
- 1 x Pair of UV Protection Glasses (Class 400)
- 1 x Cordón

Image: All components included in the Alonefire SV118 package: the flashlight, USB-C cable, and UV protection glasses.
3. Información de seguridad
Para garantizar un funcionamiento seguro y evitar lesiones o daños, tenga en cuenta las siguientes precauciones:
- UV Radiation Hazard: Direct exposure to UV light can be harmful to eyes and skin. Always wear the provided UV protection glasses when operating the flashlight. Avoid pointing the light directly at people or animals.
- Seguridad de la batería: Use only the specified rechargeable batteries. Do not mix old and new batteries, or different types of batteries. Do not expose batteries to fire or extreme temperatures.
- Advertencia de calor: The flashlight may become warm during prolonged use, especially at maximum power. Avoid touching the head of the flashlight when hot.
- Resistencia al agua: Este dispositivo no es resistente al agua. Evite la exposición al agua o a la humedad alta.
- Niños: Mantener fuera del alcance de los niños.
4. Configuración
4.1 Instalación de la batería
- Desenrosque la tapa trasera de la linterna.
- Insert the four BRC18650 rechargeable batteries according to the polarity markings (+/-) inside the battery compartment. Ensure correct orientation.
- Vuelva a atornillar la tapa trasera de forma segura.
4.2 Cargo inicial
It is recommended to fully charge the batteries before first use. Refer to the "Charging" section for instructions.
5. Instrucciones de funcionamiento
The Alonefire SV118 features multiple brightness modes and a strobe function.
- Encendido/apagado y ajuste de brillo:
- Press the "ON/OFF" button once to turn on the flashlight at maximum power.
- Press the button again to cycle through brightness modes: Medium, Low.
- Presione el botón una última vez para apagar la linterna.
- Función estroboscópica:
- From any mode (on or off), press and hold the "ON/OFF" button for 3 seconds to activate the slow strobe mode.
- Press and hold the button again for 3 seconds to activate the fast strobe mode.
- A short press will return to the previous mode or turn off the flashlight.
- Indicador de potencia digital: The integrated LCD screen displays the current power level, allowing you to monitor battery status accurately.

Image: A hand holding the Alonefire SV118 UV LED Flashlight, demonstrating its ergonomic design and size.
6. Carga
The Alonefire SV118 features a convenient USB-C charging port.
- Locate the USB-C charging port on the flashlight handle.
- Connect the provided USB-C cable to the flashlight and plug the other end into a compatible USB power source (e.g., wall adapter, computer, power bank).
- The digital display will indicate the charging status. A red indicator light signifies charging, and the light turns off when fully charged.
- La carga suele tardar entre 5 y 6 horas para una carga completa.
- It is not necessary to remove the batteries for charging.

Image: The Alonefire SV118 flashlight connected via its USB-C port for charging, with indicators showing charging status and estimated charging time.
7. Aplicaciones
The 365nm UV LED flashlight is suitable for a wide range of professional and domestic applications due to its pure UV output and filtering capabilities.
- Curado de resina: Accelerates the curing process of UV-sensitive resins.
- Detección de manchas de mascotas: Reveals hidden pet urine and other organic stains on carpets, furniture, and other surfaces.
- Identificación de minerales y piedras preciosas: Helps identify fluorescent minerals, amber, and other gemstones.
- Verificación de autenticidad: Useful for checking currency, passports, and other documents with UV security features.
- Detección de escorpiones: Scorpions fluoresce under 365nm UV light, making them easier to spot.
- Detección de fugas: Can be used with UV dyes to detect leaks in HVAC, automotive, and plumbing systems.
- Fluorescent Agent Test: Detects fluorescent agents in cosmetics, textiles, and other products.
- Pet Fungal Inspection: Aids in identifying certain fungal infections on pets.

Image: A collage illustrating various applications of the UV flashlight, including pet fungus inspection, skin abnormality detection, fluorescent agent testing, jade identification, authenticity verification, and crop identification.

Image: A comparison showing a carpet before and after being illuminated by the UV flashlight, highlighting hidden pet stains.
8. Mantenimiento
- Limpieza: Limpie el cuerpo de la linterna con un paño suave.amp Paño. No utilice limpiadores abrasivos ni disolventes.
- Cuidado de la lente: Gently clean the UV filter lens with a lens cleaning cloth to maintain optimal light output.
- Almacenamiento de la batería: If storing the flashlight for an extended period, remove the batteries to prevent leakage. Store batteries in a cool, dry place.
- Lubricación: Aplique periódicamente grasa de silicona a las juntas tóricas y a las roscas para mantener la resistencia al agua y un funcionamiento suave.
9. Solución de problemas
| Problema | Posible causa | Solución |
|---|---|---|
| La linterna no se enciende. |
|
|
| La salida de luz es débil. |
|
|
| Flashlight gets excessively hot. |
|
|
10. Especificaciones
| Característica | Detalle |
|---|---|
| Marca | FUEGOSOLO |
| Número de modelo | SV118 |
| Tipo de fuente de luz | UV LED (8pcs 4-core 365nm LEDs) |
| Consumo de energía | Hasta 80W |
| Flujo luminoso | 9500 milivatios |
| Tipo de batería | 4 x BRC18650 Lithium-ion (included) |
| Puerto de carga | USB-C |
| Tiempo de carga | Aprox. 5-6 horas |
| Duración de la batería (máxima potencia) | Approx. 20 minutes (as per user review, actual may vary) |
| Casing Material | Aleación de aluminio de alta calidad |
| Características especiales | UV Filter Black Lens, Digital LCD Power Display |
| Peso del artículo | 630 gramos |
| Nivel de resistencia al agua | No es impermeable |
| País natal | Porcelana |

Image: A visual comparison demonstrating the difference between 365nm and 395nm UV light, highlighting the superior clarity and penetration of 365nm for fluorescence detection.
11. Garantía y soporte
For warranty information or technical support, please contact Alonefire customer service through the retailer where the product was purchased. Please have your model number (SV118) and purchase date available when contacting support.
Note: Information regarding spare parts availability and software updates is not provided by the manufacturer.

