1. Увод
Thank you for choosing the Alonefire SV83 20W 365nm UV LED Rechargeable Flashlight. This professional-grade ultraviolet flashlight is designed for a wide range of applications, offering powerful and pure UV light. This manual provides essential information for safe and effective use, including setup, operation, maintenance, and troubleshooting.

Image: The Alonefire SV83 UV flashlight, showing its sleek black design, purple bezel, and the included USB-C charging cable and yellow UV protective glasses.
2. Безбедносне информације
Молимо вас да прочитате и разумете сва безбедносна упозорења пре употребе овог производа. Непоштовање ових упутстава може довести до повреда или оштећења производа.
- Упозорење о УВ зрачењу: This UV flashlight emits powerful ultraviolet light. DO NOT illuminate directly into eyes. Direct exposure can cause eye damage.
- Заштитне наочаре: Always use the provided UV protective glasses when operating the flashlight to shield your eyes from harmful UV radiation.
- Излагање коже: Avoid prolonged direct exposure of UV light to skin.
- деца: Држати ван домашаја деце. Ово није играчка.
- Безбедност батерије: Use only the specified rechargeable battery. Do not disassemble, short-circuit, or expose the battery to high temperatures or fire.
- Пуњење: Use only the provided USB-C cable for charging. Do not attempt to charge with damaged cables or chargers.
- топлота: The flashlight may become warm during extended use. This is normal.
3. Садржај пакета
Проверите да ли су све ставке присутне и у добром стању након отварања пакета:
- Alonefire SV83 20W 365nm UV LED Flashlight
- Rechargeable Lithium-ion Battery (pre-installed or separate)
- УСБ-Ц кабл за пуњење
- UV Protective Glasses
Image: All components included in the Alonefire SV83 package: the UV flashlight, a USB-C charging cable, and a pair of yellow UV protective glasses.
4. Производ је готовview
Familiarize yourself with the main components of your Alonefire SV83 flashlight:
Слика: Експлодирана view diagram illustrating the various parts of the Alonefire SV83 flashlight, including the lamp head, fixed ring, black UV filter lens, 3x 365nm UV LEDs, aluminum alloy shell, spring contact, power switch, and Type C USB charging port.
- Lamp глава: Contains the UV LEDs and optical lens.
- Fixed Ring: Secures the lens and internal components.
- Black UV Filter Lens: A hardened optical filter designed to block unwanted ambient light, ensuring a purer and more powerful UV output.
- 3 x 365nm UV LEDs: The primary light source, providing 20W power and 3600mW light output.
- Кућиште од алуминијумске легуре: Durable and high-quality housing that enhances heat dissipation.
- Spring Contact: Ensures proper battery connection.
- Прекидач: Button for turning the flashlight on and off.
- Type C USB Charging Port: За практично пуњење унутрашње батерије.
5. Подешавање
Before first use, ensure the battery is properly installed and fully charged.
5.1 Инсталација батерије
- Одврните задњи поклопац лампе.
- Insert the provided Lithium-ion battery with the positive (+) end facing towards the lamp глава.
- Чврсто заврните поклопац назад како бисте осигурали правилан контакт и отпорност на воду.
5.2 Почетно пуњење
It is recommended to fully charge the flashlight before its first use.
- Пронађите USB-C порт за пуњење на кућишту батеријске лампе.
- Connect the provided USB-C cable to the flashlight and the other end to a compatible USB power source (e.g., wall adapter, computer USB port).
- Refer to the "Charging" section for details on charging indicators.
6. Операција
Operating the Alonefire SV83 is straightforward:
- Укључивање/искључивање: Press the power switch button located on the side of the flashlight to turn the UV light on or off.
- Protective Glasses: Always wear the UV protective glasses when the flashlight is in operation.
7. Пуњење
The Alonefire SV83 features convenient USB-C charging.
Image: The Alonefire SV83 flashlight being charged via its USB-C port, connected to a laptop. An inset shows the charging indicator light, which is red when charging and green when fully charged.
- Порт за пуњење: The USB-C port is located on the side of the flashlight.
- Индикатор пуњења: A small LED indicator near the power switch will show the charging status:
- црвено светло: Indicates the flashlight is currently charging.
- зелено светло: Означава да је батерија потпуно напуњена.
- Време пуњења: Charging time may vary depending on the power source and battery depletion level.
8. Пријаве
The 365nm UV LED flashlight is highly versatile and effective for various detection and inspection tasks due to its pure UV output.
8.1 Common Uses
- Pet Urine and Stain Detection: Ideal for revealing hidden pet stains on carpets, rugs, and furniture that are invisible to the naked eye.
- Детекција шкорпиона: Scorpions fluoresce brightly under 365nm UV light, making them easy to spot in dark environments.
- Mineral and Amber Identification: Many minerals and amber specimens exhibit fluorescence under UV light, aiding in their identification and authentication.
- Верификација валуте и докумената: Used to check security features on banknotes, passports, and other official documents that glow under UV light.
- Стврдњавање смоле: Suitable for curing UV-sensitive resins in crafts, jewelry making, and repairs.
- пецање: Can be used to charge luminous fishing lures.
- Машински преглед: Useful for detecting leaks when used with UV-reactive dyes.
Image: A collage demonstrating various practical applications of the UV flashlight, such as detecting pet urine, verifying currency, illuminating scorpions, and identifying fluorescent minerals.
Image: A dog sitting next to a glowing spot on the carpet, indicating a pet urine stain made visible by the UV flashlight.
8.2 365nm vs. 395nm UV Light
The Alonefire SV83 uses 365nm UV LEDs, which are generally preferred for professional applications over 395nm UV lights. The 365nm wavelength produces a purer UV light with less visible purple glow, allowing for clearer fluorescence and better detection of subtle marks or authenticating features.
Image: A visual comparison showing how various objects appear under normal light, 395nm UV light (which has a strong purple visible glow), and 365nm UV light (which reveals fluorescence more clearly with less visible light interference).
9. Одржавање
Proper care will extend the lifespan of your flashlight.
- Чишћење: Обришите кућиште батеријске лампе меком крпомamp cloth. Do not use abrasive cleaners or solvents. Clean the lens gently with a lens cleaning cloth.
- Одржавање батерије: If storing for an extended period, remove the battery or ensure it is charged every 3-6 months to prevent deep discharge.
- Складиштење: Чувајте батеријску лампу на хладном и сувом месту даље од директне сунчеве светлости и екстремних температура.
- Отпорност на воду: The flashlight is designed to be water-resistant, but it is not submersible. Avoid prolonged exposure to water.
КСНУМКС. Решавање проблема
If you encounter issues with your Alonefire SV83, refer to the following common problems and solutions:
| Проблем | Могући узрок | Решење |
|---|---|---|
| Лампа се не укључује. | Battery is dead or low. Battery inserted incorrectly. Loose tail cap. | Charge the battery. Ensure battery is inserted with positive (+) end towards the head. Tighten the tail cap. |
| Батеријска лампа се не пуни. | Charging cable is faulty. USB power source is not working. Charging port is dirty. | Try a different USB-C cable. Try a different USB power source. Clean the charging port gently. |
| UV light is weak or flickering. | Ниска батерија. | Напуните батерију у потпуности. |
| Батеријска лампа се брзо загрева. | Normal operation for high-power UV LEDs. Extended use. | This is generally normal. If it becomes excessively hot, turn it off and allow it to cool. Ensure proper ventilation. |
11. Спецификације
| Бренд: | АЛОНЕФИРЕ |
| Произвођач: | Алоновајр |
| Број модела: | SV83 365nm_EU |
| Боја: | Црно |
| Материјал: | Алуминијум |
| Тежина артикла: | 350 грама |
| Тип извора светлости: | LED (365nm UV) |
| Luminous Flux (UV Output): | 3600 millicandela (mW) |
| Потрошња енергије: | 20В |
| Волtage: | 3.7 Волтс |
| Тип батерије: | 1 литијум-јонска (укључена) |
| Посебне карактеристике: | Rechargeable (USB-C) |
| Извор напајања: | Баттери Поверед |
12. Гаранција и подршка
This product is sold by AloneFire. For any product-related inquiries, technical support, or warranty claims, please contact the seller directly through the platform where you purchased the item.
The product typically comes with a 30-day return/replacement policy. Please refer to your purchase details for specific terms and conditions.





