1. Introduction
Thank you for choosing the ALONEFIRE SV115 365nm UV Flashlight. This powerful blacklight is designed for various detection and curing applications, utilizing a high-quality 365nm UV LED. For optimal performance and safety, please read this manual thoroughly before use.

Image 1: ALONEFIRE SV115 UV Flashlight, USB-C charging cable, and UV protective glasses.
2. Safety Information
WARNING: Ultraviolet (UV) light can be harmful to eyes and skin.
- Always wear the provided UV protective glasses when operating the flashlight.
- Do not look directly into the UV light source.
- Avoid prolonged exposure of skin to UV light.
- Keep out of reach of children.
- Do not disassemble the flashlight; refer servicing to qualified personnel.
3. Package Contents
Verify that all items are present in your package:
- ALONEFIRE SV115 365nm UV Flashlight
- Rechargeable Lithium-Ion Battery (pre-installed or separate)
- USB-C Charging Cable
- UV Protective Glasses

Image 2: Included components: SV115 flashlight, USB-C cable, and UV protective glasses.
4. Setup and Charging
4.1 Battery Installation
The SV115 flashlight comes with a rechargeable Lithium-Ion battery. If not pre-installed, unscrew the tail cap, insert the battery with the positive (+) end facing towards the head of the flashlight, and then securely screw the tail cap back on.
4.2 Charging the Flashlight
The flashlight features a convenient USB-C charging port.
- Locate the USB-C port on the flashlight body.
- Connect the provided USB-C cable to the flashlight.
- Connect the other end of the USB-C cable to a compatible USB power source (e.g., wall adapter, power bank, computer USB port, car charger).
- The charging indicator light will show red during charging and turn green when fully charged.

Image 3: USB-C charging in progress, with indicator lights for charging status.
5. Operating Instructions
5.1 Power On/Off
Press the power button located on the side of the flashlight to turn the UV light on or off.

Image 4: Operating the flashlight with the side power button.
5.2 Applications
The ALONEFIRE SV115 365nm UV Flashlight is suitable for a wide range of applications:
- Pet Urine Detection: Identify hidden pet stains on carpets, rugs, and other surfaces.
- Scorpion Detection: Scorpions fluoresce under 365nm UV light, making them easy to spot.
- Resin Curing: Accelerate the curing process of UV-sensitive resins and glues.
- Currency and Document Authentication: Verify security features on banknotes, passports, and other official documents.
- Mineral Detection: Observe fluorescence in certain minerals.
- Bed Bug Detection: Aid in identifying bed bug infestations.
- Leak Detection: Detect automotive or HVAC leaks when used with UV dye.

Image 5: Various applications of the UV flashlight, including stain detection and fluorescence observation.

Image 6: Comparison of 365nm vs. 395nm UV light for mineral detection, highlighting the effectiveness of 365nm.
6. Maintenance
6.1 Reverse Charging Function
The SV115 can function as a power bank to charge other devices.
- Ensure the flashlight battery has sufficient charge.
- Connect your device's charging cable to the USB-A output port on the flashlight.
- The flashlight will begin charging your device.

Image 7: Using the flashlight's reverse charging feature to power a smartphone.
6.2 Cleaning and Storage
- Wipe the flashlight body with a soft, damp cloth. Do not use abrasive cleaners.
- Ensure the lens is clean for optimal light output.
- Store the flashlight in a cool, dry place away from direct sunlight and extreme temperatures.
- If storing for extended periods, charge the battery periodically to maintain its health.
7. Troubleshooting
- Flashlight not turning on:
- Ensure the battery is correctly installed with the positive end facing forward.
- Charge the battery fully using the provided USB-C cable.
- Charging indicator not working:
- Verify the USB-C cable is securely connected to both the flashlight and the power source.
- Try a different USB power source or cable.
- UV light appears weak:
- Ensure the battery is fully charged.
- Clean the lens surface for any obstructions or dirt.
8. Specifications
| Feature | Detail |
|---|---|
| Model | SV115 |
| UV LED Type | High-powered 6-cores 365nm UV LED |
| Power Consumption | Up to 30W |
| Luminous Power | 5600mW |
| Filter Lens | Hard toughened black filter optical lens |
| Body Material | High-quality Aluminum Alloy (Anodized Aluminum) |
| Charging Port | USB-C |
| Battery Type | Rechargeable Lithium-Ion (included) |
| Reverse Charging | Yes, via USB-A output port |
| Water Resistance Level | Not Water Resistant |
| Item Weight | 12.3 ounces (0.35 Kilograms) |
| Package Dimensions | 7.2 x 3.58 x 2.24 inches |
9. Warranty and Support
The ALONEFIRE SV115 UV Flashlight comes with a limited warranty. For specific warranty details or technical support, please refer to the warranty card included with your product or contact ALONEFIRE customer service.
You can also visit the official ALONEFIRE store for more information: ALONEFIRE Store

