1. Introduction
This manual provides detailed instructions for the safe and effective use of your Shadowhawk S1915 Rechargeable LED Torch. Please read this manual thoroughly before operating the device and retain it for future reference.
The Shadowhawk S1915 is a high-power LED flashlight featuring an upgraded XHP70.2 chip, delivering up to 10,000 lumens. It is designed for various applications including trekking, hunting, and emergency situations, offering long-range illumination and multiple lighting modes.
2. Setup
2.1 Unboxing Contents
Verify that all items are present in the package:
- 1 x Shadowhawk S1915 Rechargeable LED Torch
- 1 x USB Charging Cable
- 1 x Mini UV Keychain Torch
- 1 x Lanyard
- 1 x Flashlight Holster
- 1 x Operation Instructions (this manual)
- 1 x Gift Box
2.2 Initial Charging
Before first use, fully charge the flashlight. The S1915 features an upgraded rechargeable battery designed for extended runtime.
- Connect the provided USB charging cable to the flashlight's charging port.
- Connect the other end of the USB cable to a compatible USB power source (e.g., wall adapter, computer, power bank).
- The power indicator lights above the power button will show the charging progress (25%, 50%, 75%, 100%). All four lights will be solid when fully charged.
- A full charge can provide up to 12 hours of operation, depending on the mode used.

Image: The Shadowhawk S1915 flashlight connected to a USB charging cable, illustrating the charging process and battery level indicators.

Image: Close-up of the flashlight's power indicator lights, demonstrating the battery charge levels.
3. Operating Instructions
3.1 Power On/Off and Mode Selection
The S1915 features 5 lighting modes:
- High: Maximum brightness for powerful illumination.
- Medium: Balanced brightness for general use.
- Low: Reduced brightness for extended battery life or close-range tasks.
- Strobe: Flashing light for signaling or disorientation.
- SOS: International Morse code signal for emergencies.
- To turn the flashlight ON, press the power button once. It will typically start in High mode.
- To cycle through the modes (High > Medium > Low > Strobe > SOS), press the power button repeatedly.
- To turn the flashlight OFF from any mode, press and hold the power button for 3 seconds.

Image: Visual representation of the five lighting modes (High, Medium, Low, Strobe, SOS) of the Shadowhawk S1915 flashlight.

Image: Instructions for operating the flashlight's power button to change modes and turn off the device.
3.2 Zoom Function
The S1915 features a zoomable head to adjust the beam from a wide floodlight to a focused spotlight.
- To achieve a wide floodlight for broad area illumination, push the head of the flashlight forward.
- To achieve a focused spotlight for long-distance observation, pull the head of the flashlight backward.

Image: Illustration of the flashlight's adjustable focus mechanism, showing how to switch between wide and narrow beams.

Image: The flashlight operating in floodlight mode, providing broad illumination.

Image: The flashlight operating in spotlight mode, projecting a concentrated beam for long-range visibility.
3.3 Mini UV Keychain Torch
The included mini UV keychain torch emits a 395nm wavelength UV light, useful for various detection tasks.
- To activate, slide the switch on the side of the keychain torch to the "ON" position.
- Alternatively, press and hold the button for temporary illumination.
- This UV light can be used to detect pet urine/stains, authenticate currency/documents, find scorpions, or inspect hotel cleanliness.

Image: Examples of the mini UV keychain flashlight's applications, including pet stain detection and currency authentication.

Image: Detailed view of the mini UV keychain flashlight, highlighting its size and operational switch.

Image: Practical applications of the UV light, showing how it reveals hidden stains and authenticates items.
4. Maintenance
4.1 General Care
- Keep the flashlight clean and dry. Wipe with a soft, damp cloth if necessary.
- Avoid dropping the flashlight or subjecting it to severe impacts, although it is designed to be shock-resistant.
- Store the flashlight in a cool, dry place when not in use.
4.2 Battery Care
- Recharge the battery regularly to maintain its lifespan, even if not frequently used.
- Do not overcharge or completely deplete the battery for prolonged periods.
- If the flashlight will not be used for an extended period, charge it to approximately 50% before storage.
4.3 Waterproofing
The Shadowhawk S1915 is IP67 waterproof, meaning it is protected from dust and can withstand immersion in water up to 1 meter for 30 minutes. It is suitable for use in rain or snow but is not designed for prolonged underwater immersion or diving.

Image: The flashlight shown under water splashes, illustrating its IP67 waterproof capability.

Image: The flashlight wet with water droplets, confirming its water resistance.
5. Troubleshooting
If you encounter issues with your Shadowhawk S1915 flashlight, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Flashlight does not turn on. | Battery is depleted. | Charge the flashlight fully using the provided USB cable. |
| Flashlight beam is dim or flickers. | Low battery charge. | Recharge the flashlight. |
| Flashlight does not charge. | Faulty USB cable or power adapter. | Try a different USB cable or power adapter. Ensure connections are secure. |
| Cannot change lighting modes. | Button malfunction or low battery. | Ensure battery is charged. Press the button firmly. If issue persists, contact support. |
| UV keychain torch not working. | Battery depleted or switch not engaged. | Ensure the switch is fully slid to "ON" or the button is pressed. The keychain torch typically uses small button cell batteries (not user-replaceable). |
If the problem persists after attempting these solutions, please contact Shadowhawk customer support.
6. Specifications
Key technical specifications for the Shadowhawk S1915 Rechargeable LED Torch:
| Feature | Detail |
|---|---|
| Model Number | IN-S1915 |
| Light Source Type | LED (XHP70.2 Chip) |
| White Brightness | 10000 Lumens |
| Power Source | Battery Powered (Rechargeable) |
| Battery Type | 1 x Lithium Ion (included) |
| Runtime | Up to 12 hours |
| Material | Aviation Grade Aluminum Alloy |
| Color | Pure Black |
| Special Features | Adjustable Focus, Durable, High Power, Rechargeable, Shock Resistant |
| Water Resistance Level | IP67 Waterproof |
| Item Weight | 0.5 Kilograms |
| Dimensions (L x W x H) | 22.5L x 17.5W x 5.5H Centimeters |

Image: Diagram illustrating the industrial design and key components of the Shadowhawk S1915 flashlight.
7. Warranty and Support
7.1 Warranty Information
The Shadowhawk S1915 Rechargeable LED Torch comes with a lifetime warranty from the manufacturer.
This warranty covers manufacturing defects and ensures the product's quality and performance under normal use. Please retain your proof of purchase for warranty claims.
7.2 Customer Support
For any questions, technical assistance, or warranty claims, please contact Shadowhawk customer support:
- Manufacturer Contact: support@shadowhawk.top
- Importer Contact (India): support@shadowhawk.hk; +91 9818598163 (Deepali)