ALONEFIRE SV52
Alonefire SV52 25W UV LED 365nm Rechargeable Flashlight User Manual
Model: SV52
1. Pengenalan
Thank you for choosing the Alonefire SV52 25W UV LED 365nm Rechargeable Flashlight. This professional-grade ultraviolet flashlight is designed for a wide range of applications, offering a powerful 365nm UV light source with a high-quality black filter lens for pure and effective UV output. Please read this manual thoroughly before use to ensure safe and optimal performance.

The Alonefire SV52 UV Flashlight, showing its powerful UV beam, included USB-C charging cable, and protective glasses.
2. Maklumat Keselamatan
AMARAN: Ultraviolet (UV) light can be harmful to eyes and skin. Always follow these safety guidelines:
- Perlindungan Mata: Always wear the provided UV protective glasses when operating the flashlight. Never look directly into the UV light source.
- Pendedahan Kulit: Elakkan pendedahan langsung kulit kepada cahaya UV yang berpanjangan.
- Kanak-kanak: Jauhkan lampu suluh daripada kanak-kanak.
- haba: The flashlight may generate heat during extended use. Handle with care.
- Keselamatan Bateri: Use only the specified rechargeable battery. Do not attempt to disassemble or short-circuit the battery.
- Pelupusan: Buang bateri dan komponen elektronik mengikut peraturan tempatan.
3. Kandungan Pakej
Sahkan bahawa semua item terdapat dalam pakej anda:
- Alonefire SV52 UV LED Flashlight
- Rechargeable Lithium-ion Battery (pre-installed or separate)
- Kabel Pengecasan USB Jenis-C
- UV Protective Glasses

The complete package contents of the Alonefire SV52 UV Flashlight.
4. Produk Lebihview
The Alonefire SV52 features a robust design and specialized components for optimal UV performance.
Ciri-ciri Utama:
- High-Quality 365nm UV LED: Utilizes a professional 365nm UV LED as the light source, providing 25W power consumption and 4800mW light output for effective detection.
- Black UV Filter Lens: Equipped with a hardened optical black filter lens that filters out ambient visible light, ensuring a purer and more powerful ultraviolet beam.
- Durable Aluminum Alloy Shell: Constructed from high-quality aluminum alloy, enhancing heat dissipation and ensuring reliability and durability.
- USB Type-C Boleh dicas semula: Supports convenient USB Type-C charging.
Pengenalan Komponen:

Terperinci view of the flashlight components.

Illustration of the black UV filter lens function.

Comparison of 365nm vs. 395nm UV light effectiveness.
5. Persediaan
5.1 Pemasangan Bateri
The Alonefire SV52 comes with a rechargeable Lithium-ion battery. Ensure the battery is correctly inserted with the positive (+) terminal facing towards the lamp kepala.
5.2 Pengecasan Awal
Before first use, fully charge the flashlight. Connect the provided USB Type-C cable to the flashlight's charging port and to a compatible USB power source (e.g., computer, power adapter, power bank, car charger).
- The charging indicator light will be merah semasa mengecas.
- The charging indicator light will turn hijau apabila dicas penuh.

Charging the Alonefire SV52 via USB Type-C.
6. Operasi
6.1 Menghidupkan/Mematikan
To turn the flashlight ON, press and hold the power switch for approximately 3 seconds. To turn it OFF, press and hold the power switch again for 3 seconds.

Proper grip and power switch location.
6.2 Garis Panduan Penggunaan
Always wear the provided UV protective glasses before activating the flashlight. Direct the UV beam towards the area you wish to inspect. The 365nm wavelength, combined with the black filter lens, ensures that fluorescent materials glow brightly while minimizing visible light interference.
7. Aplikasi
The Alonefire SV52 UV flashlight is suitable for various professional and household applications:
- Pet Urine and Stain Detection: Identify hidden pet stains on carpets, rugs, and upholstery.
- Mineral and Gemstone Inspection: Observe fluorescence in various minerals, amber, and gemstones.
- Currency and Document Verification: Check security features on banknotes, passports, and other official documents.
- Pengesanan Scorpion: Scorpions fluoresce brightly under 365nm UV light, making them easy to spot in dark environments.
- Resin Curing: Accelerate the curing process of UV-sensitive resins.
- Fishing Lure Charging: Charge fluorescent fishing lures for enhanced visibility.
- Hygiene Inspection: Detect invisible contaminants in bathrooms, kitchens, and other areas.



8. Penyelenggaraan
8.1 Pembersihan
Lap badan lampu suluh dengan lembut, damp kain. Jangan gunakan pembersih atau pelarut yang kasar. Pastikan kanta bersih untuk output cahaya yang optimum.
8.2 Penyimpanan
Store the flashlight in a cool, dry place away from direct sunlight and extreme temperatures. If storing for an extended period, remove the battery or ensure it is charged periodically to maintain battery health.
9. Penyelesaian masalah
| Masalah | Kemungkinan Punca | Penyelesaian |
|---|---|---|
| Lampu suluh tidak menyala. | Battery is depleted. Battery is incorrectly installed. Power switch malfunction. | Charge the battery. Check battery polarity. Contact customer support if issue persists. |
| Light output is weak. | Battery is low. Lens is dirty. | Cas semula bateri. Bersihkan kanta dengan kain lembut. |
| Lampu suluh menjadi panas semasa digunakan. | Normal operation for high-power UV LED. Prolonged use. | This is normal. Discontinue use if it becomes excessively hot. Ensure proper ventilation. |
| Penunjuk pengecasan tidak menyala. | Charging cable is not properly connected. USB power source is faulty. | Ensure cable is securely connected. Try a different USB power source. |
10. Spesifikasi
| Ciri | Perincian |
|---|---|
| Jenama | SENDIRIAN |
| Nombor Model | SV52 |
| Jenis Sumber Cahaya | LED UV 365nm |
| Penggunaan Kuasa | 25W |
| Keluaran Cahaya UV | 4800mW |
| bahan | Aloi Aluminium |
| warna | Hitam |
| Sumber Kuasa | Dikuasakan Bateri (Boleh dicas semula) |
| Jenis Bateri | 1 Lithium-ion (Included) |
| Port Pengecasan | USB Jenis-C |
| Berat Barang | 380 gram |
| Dimensi Pakej | 18.4 x 8.8 x 5.7 cm |
| Ciri Khas | High Power, Rechargeable, Black Filter Lens |
11. Waranti dan Sokongan
For warranty information or technical support, please refer to the documentation provided with your purchase or contact the retailer/manufacturer directly. Keep your purchase receipt as proof of purchase.
Ask a question about this manual
Ask about setup, troubleshooting, compatibility, parts, safety, or missing instructions. Manuals+ will review the question and use this page’s manual context to help answer it.