Introduction
Thank you for choosing the Alonefire SV005 10W 395nm UV Flashlight. This professional-grade ultraviolet light is designed for a wide range of applications, offering powerful and reliable performance. This manual provides essential information for the safe and effective use, setup, operation, and maintenance of your device. Please read it thoroughly before use.

The Alonefire SV005 UV Flashlight, a compact and powerful ultraviolet light source.
Safety Warnings
- UV Radiation Hazard: This is a powerful UV light. Direct exposure to UV light can be harmful to eyes and skin. Always wear appropriate UV protective eyewear when operating the flashlight. Avoid looking directly into the UV light source.
- Children: Keep out of reach of children.
- Water Immersion: The flashlight is IP65 water-resistant, meaning it can withstand splashes and rain. However, it is not designed for submersion in water.
- Battery Safety: Use only the specified rechargeable battery. Do not attempt to open, crush, or expose the battery to extreme temperatures.
- Heat: The full metal body enhances heat dissipation, but prolonged use may cause the flashlight to become warm. Handle with care.
Product Features
- Powerful 395nm UV LED: Equipped with a high-quality 395nm UV LED, delivering up to 10W of power for professional applications.
- Durable Full Metal Body: Constructed from high-quality aluminum alloy, ensuring excellent heat dissipation and long-term durability.
- USB-C Rechargeable: Features a convenient USB-C charging port, allowing charging from various sources like computers, power banks, or car adapters. A high-capacity rechargeable battery is included.
- IP65 Water Resistance: Designed to withstand splashes and rain, making it suitable for outdoor use in various weather conditions.
- Versatile Applications: Ideal for detecting pet urine, curing UV resin, identifying minerals, spotting scorpions, verifying currency, and other professional uses.
Package Contents
The Alonefire SV005 package typically includes:
- Alonefire SV005 UV Flashlight
- High-capacity rechargeable battery
- USB-C charging cable

The Alonefire SV005 UV flashlight shown with its included USB-C charging cable.
Setup
1. Battery Installation
- Unscrew the tail cap of the flashlight.
- Remove the transparent protective seal from the included rechargeable battery. This seal must be removed for the flashlight to function.
- Insert the battery into the flashlight with the positive (+) end facing towards the head of the flashlight.
- Screw the tail cap back on securely.

Exploded view of the Alonefire SV005 UV flashlight, showing its components: rubber switch, battery compartment, charging indicator light, fixed cup, transparent UV filter lens, USB Type-C charging port, UV LED, and anti-slip handle.
2. Initial Charging
Before first use, ensure the battery is fully charged.
- Locate the USB-C charging port on the flashlight body.
- Connect the provided USB-C cable to the flashlight and the other end to a USB power source (e.g., computer, power bank, wall adapter).
- The charging indicator light will show red while charging.
- Once fully charged, the indicator light will turn blue.
- Disconnect the charging cable once charging is complete.

The Alonefire SV005 UV flashlight connected to a laptop via a USB-C cable for charging. An indicator light shows red when charging and blue when fully charged.
Operating Instructions
Power On/Off
Press the rubber button on the tail cap to turn the flashlight on or off.

A hand holding the Alonefire SV005 UV flashlight, demonstrating its compact size and ergonomic design, with a wrist strap attached for secure handling.
Applications
The Alonefire SV005 UV flashlight is suitable for various detection and curing tasks:
- Pet Urine Detection: Shine the UV light in dark areas to reveal hidden pet stains on carpets, furniture, or floors.
- Resin Curing: Accelerate the curing process of UV-sensitive resins for crafts, jewelry making, or fishing lure creation.
- Mineral and Gemstone Identification: Observe the fluorescence of various minerals and gemstones to aid in identification.
- Scorpion Detection: Scorpions fluoresce under UV light, making them easier to spot in dark environments.
- Counterfeit Currency and Document Verification: Reveal security features on banknotes, passports, and other official documents.

A collage of images showcasing various applications of the UV flashlight, including detecting fluorescence in marine life, counterfeit currency, pet urine stains, passport security features, and scorpions.

A carpet and wooden floor showing pet urine stains highlighted by the UV flashlight, demonstrating its effectiveness as a pet urine detector.
Maintenance
Cleaning
- Wipe the flashlight body with a soft, damp cloth.
- For the lens, use a lens cleaning cloth to gently remove dust or smudges. Avoid abrasive materials.
Battery Care
- Recharge the battery regularly, especially if the flashlight is not used for extended periods.
- Avoid completely draining the battery to prolong its lifespan.
- If storing for a long time, charge the battery to about 50% and store in a cool, dry place.
Storage
Store the flashlight in a cool, dry place away from direct sunlight and extreme temperatures.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Flashlight does not turn on. | Battery is dead or not installed correctly. Transparent seal on battery not removed. | Charge the battery. Ensure the battery is inserted with correct polarity. Remove the transparent protective seal from the battery. |
| Flashlight does not charge. | Charging cable or adapter is faulty. USB-C port is dirty. | Try a different USB-C cable and power adapter. Clean the USB-C port gently. |
| Reduced UV light intensity. | Low battery. Lens is dirty. | Recharge the battery fully. Clean the flashlight lens. |
Specifications
| Feature | Detail |
|---|---|
| Model | SV005 |
| UV LED Wavelength | 395 nm |
| Power Output | 10 Watts |
| Power Source | Rechargeable Battery (Lithium Ion, Lithium-Cobalt composition) |
| Voltage | 3.7 Volts |
| Charging Port | USB-C |
| Material | High-quality Aluminum Alloy (Full metal housing) |
| Water Resistance | IP65 (Water resistant) |
| Product Weight | 69 Grams |
| Dimensions (Package) | 16 x 5.7 x 4.2 cm |
| Recommended Uses | Urine detection, resin curing, mineral identification, scorpion detection, professional forensics, mining, fishing. |
Warranty Information
Alonefire products are manufactured to high-quality standards. For specific warranty details, please refer to the warranty card included with your purchase or contact Alonefire customer support. Keep your purchase receipt as proof of purchase for any warranty claims.
Customer Support
If you encounter any issues or have questions regarding your Alonefire SV005 UV Flashlight, please contact our customer support team. Refer to the contact information provided on the product packaging or the official Alonefire website for assistance.







