Introduction
Thank you for choosing the XIWANGFIRE BT90 LED Flashlight. This powerful and versatile torch is designed for various applications, offering high brightness, long-range illumination, and multiple functional modes. Constructed from durable aluminum alloy, it features a USB-C rechargeable interface and is waterproof for reliable performance in diverse conditions. Please read this manual thoroughly to ensure proper use, maintenance, and to maximize your flashlight's potential.
Figure 1: XIWANGFIRE BT90 LED Flashlight
Safety Information
- Do not look directly into the light beam or shine it into the eyes of others. The high intensity light can cause temporary vision impairment or permanent eye damage.
- Keep out of reach of children.
- Ensure correct battery polarity during installation. Incorrect installation can damage the device.
- Use only recommended rechargeable batteries (18650/26650 lithium batteries).
- Do not disassemble the flashlight or attempt to repair it yourself. This may void the warranty and cause damage.
- It is normal for the flashlight to generate heat during high-brightness operation.
- Charge the flashlight when the indicator light turns red to prevent battery damage.
Package Contents
The standard package typically includes:
- XIWANGFIRE BT90 LED Flashlight (Red or Black)
- TYPE-C Charging Cable
- Rechargeable Lithium Battery (18650 or 26650, 4.2V or 3.7V, may vary based on availability)
Note on Battery Delivery: Due to seasonal factory conditions, the specific voltage (4.2V or 3.7V) and type (18650 or 26650) of the included lithium battery may be shipped randomly. Both are compatible with the flashlight. If you have specific requirements, please verify before purchase.
Figure 2: Example of battery types that may be included
Specifications
| Feature | Specification |
|---|---|
| Model | BT90 |
| Light Source | BT90 White Laser LED (50W) |
| Lumen Output | Up to 5000 lumens |
| Lighting Distance | > 500 meters (effective range up to 1000 meters) |
| Body Material | Aluminum Alloy |
| Color Options | Red, Black |
| Battery Type | 18650/26650 Rechargeable Lithium Battery (e.g., 26650-5000mAh) |
| Charging Method | USB-C Rechargeable (5V charging plug recommended) |
| Continuous Lighting (Strong Light) | Approx. 2.3 hours (with 26650-5000mAh battery) |
| Switch Modes | High/Middle/Low, Explosive Flash, Extremely Bright |
| Focal Length | Non-adjustable |
| Waterproof | Yes |
| Zoom Function | No |
| Functions | Shock Resistant, Self Defense, Hard Light |
| Certifications | CCC, CE, FCC, ROHS |
| Dimensions (Approx.) | Length: 15 cm, Head Width: 6 cm, Tail Width: 3.1 cm |
| Weight (Approx.) | 211 grams (single flashlight) |
Figure 3: Product Dimensions
Setup
- Unpack: Carefully remove all components from the packaging.
- Battery Installation: Unscrew the tail cap of the flashlight. Insert the rechargeable lithium battery with the positive (+) electrode facing towards the lamp head. Ensure the battery is inserted correctly to avoid damage.
- Secure Tail Cap: Screw the tail cap back on tightly to ensure a secure connection and maintain waterproof integrity.
- Initial Charge: For optimal performance, it is recommended to fully charge the flashlight before first use. Refer to the 'Charging' section for instructions.
Operation
The BT90 flashlight features a multi-functional switch for various lighting modes:
- Power On/Off: Press the switch button once to turn the flashlight on or off.
- Mode Cycling (Weak/Medium/Strong): When the flashlight is ON, long-press the switch button to cycle through Weak light, Medium light, and Strong light modes. Release the button to select the desired mode.
- Extremely Bright Mode: Double-click the switch button rapidly to activate the extremely bright mode.
- Burst Flash Mode: When the flashlight is OFF, long-press the switch button to activate the burst flash mode.
- Memory Function: The flashlight has a memory function. It will turn on in the last used mode (Weak, Medium, or Strong) when powered on again.
Figure 4: 5-Level Lighting Operation
Video 1: Demonstration of flashlight operation and beam performance.
Charging
The BT90 flashlight is equipped with a waterproof USB-C intelligent charging interface.
- Locate Charging Port: The USB-C charging port is typically located under a protective cover on the flashlight body. Gently lift the cover to expose the port.
- Connect Cable: Insert the Type-C charging cable into the flashlight's port.
- Connect Power: Connect the other end of the USB-C cable to a 5V charging plug (e.g., phone charger, power bank, car charger, laptop USB port).
- Charging Indicator: The switch button will display a blue light when the flashlight has sufficient power. If the switch button turns red, it indicates that the battery level is low and requires charging.
- Charging Status: Charge the flashlight until the indicator light returns to blue, signifying a full charge.
- Disconnect: Once fully charged, disconnect the charging cable and securely close the protective cover over the USB-C port to maintain its waterproof seal.
Figure 5: Waterproof USB-C Charging Interface
Figure 6: USB Fast Charging Compatibility
Maintenance
- Cleaning: Wipe the flashlight body with a soft, damp cloth. Do not use abrasive cleaners or solvents.
- Lens Care: Keep the lens clean for optimal light output. Use a lens cleaning cloth to gently wipe away dust or smudges.
- Lubrication: Periodically apply silicone grease to the O-rings and screw threads to maintain waterproof sealing and smooth operation.
- Battery Storage: If storing the flashlight for an extended period, remove the battery to prevent leakage and damage. Store batteries in a cool, dry place.
- Avoid Impact: While the flashlight is shock-resistant, avoid dropping it from significant heights or subjecting it to severe impacts to prevent internal damage.
Figure 7: Durable Aluminum Alloy Shell
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Flashlight does not turn on | Low battery; Incorrect battery installation; Loose connections | Charge the battery; Ensure battery is inserted with correct polarity (+ towards head); Tighten tail cap and head. |
| Light output is dim | Low battery; Dirty lens | Charge the battery; Clean the lens. |
| Charging indicator is red | Battery is low | Charge the flashlight immediately. |
| Flashlight gets hot during use | Normal operation at high brightness | This is normal. Reduce brightness if discomfort occurs. |
| Water ingress | Loose tail cap/head; Damaged O-rings; Charging port cover not sealed | Ensure all parts are tightly screwed; Check O-rings for damage and replace if necessary; Ensure USB-C cover is fully closed. |
User Tips
- Battery Polarity: Always double-check that the positive end of the battery faces the lamp head during installation to prevent damage.
- Charging Indicator: Pay attention to the switch button's color. Blue means sufficient power, red means it's time to charge. This helps prolong battery life.
- Versatile Use: The flashlight's shock-resistant and waterproof features make it suitable for various outdoor activities and emergency situations. Its self-defense and hard light functions add to its utility.
- Brightness Modes: Utilize the different brightness modes (weak, medium, strong, extremely bright, burst flash) to conserve battery life when maximum illumination isn't required. The memory function is convenient for returning to your preferred setting.
Warranty and Support
This product comes with a 1-year warranty from the date of purchase, covering manufacturing defects. Please retain your proof of purchase for warranty claims.
For technical support, warranty inquiries, or any other questions, please contact the seller directly through the platform where you purchased the product. They will be able to assist you with product-specific support.
Figure 8: Warranty Information
